Voici la solution des exercices envoyés en début de semaine, pour les niveaux 2, 3 et 4.
[Event "?"]
[Site "?"]
[Date "2020.12.03"]
[Round "?"]
[White "Niveau 2"]
[Black "exercice 1"]
[Result "1-0"]
[Annotator "Leconte"]
[SetUp "1"]
[FEN "3q4/4k3/4bp2/6B1/4Q3/6P1/6K1/8 w - - 0 0"]
[PlyCount "3"]
[SourceDate "2015.08.04"]
{# enfilade : les blancs jouent et gagnent la dame} 1. Bxf6+ Kxf6 2. Qh4+ 1-0
[Event "?"]
[Site "?"]
[Date "2020.12.03"]
[Round "?"]
[White "Niveau 2"]
[Black "exercice 2"]
[Result "1-0"]
[Annotator "Leconte"]
[SetUp "1"]
[FEN "4q3/7B/8/3k4/1Q6/8/7K/8 w - - 0 0"]
[PlyCount "3"]
[SourceDate "2015.08.04"]
{# sacrifice du fou au premier coup puis l'enfilade. Les blancs jouent et
gagnent la dame} 1. Bg8+ Qxg8 (1... Kc6 2. Qa4+) (1... Ke5 2. Qe1+) 2. Qb3+ 1-0
[Event "?"]
[Site "?"]
[Date "2020.12.03"]
[Round "?"]
[White "Niveau 2"]
[Black "exercice 3"]
[Result "1-0"]
[Annotator "Leconte"]
[SetUp "1"]
[FEN "Q7/8/2R5/P4p2/2b5/2k1p1P1/7K/2q5 w - - 0 0"]
[PlyCount "3"]
[SourceDate "2015.08.04"]
{# les blancs jouent et gagnent la dame. L'enfilade} 1. Rxc4+ Kxc4 2. Qc6+ 1-0
[Event "?"]
[Site "?"]
[Date "2020.12.03"]
[Round "?"]
[White "Niveau 2"]
[Black "exercice 4"]
[Result "1-0"]
[Annotator "Leconte"]
[SetUp "1"]
[FEN "R7/6pq/2k4p/7B/8/8/2P3P1/2K5 w - - 0 0"]
[PlyCount "3"]
[SourceDate "2015.08.04"]
{# sacrifice du fou pour pièger la dame noire. Trait aux blancs} 1. Bg6 Qxg6 2.
Ra6+ 1-0
[Event "?"]
[Site "?"]
[Date "2020.12.03"]
[Round "?"]
[White "Niveau 2"]
[Black "exercice 5"]
[Result "1-0"]
[Annotator "Leconte"]
[SetUp "1"]
[FEN "8/8/7P/8/1p6/2k1N3/p3K3/8 w - - 0 0"]
[PlyCount "3"]
[SourceDate "2015.08.04"]
{# la course des pions se termine par l'enfilade. Les blancs jouent et gagnent
} 1. h7 a1=Q 2. h8=Q+ 1-0
[Event "?"]
[Site "?"]
[Date "2020.12.03"]
[Round "?"]
[White "Niveau 2"]
[Black "exercice 6"]
[Result "1-0"]
[Annotator "Leconte"]
[SetUp "1"]
[FEN "4Q3/8/3K1k2/8/8/8/8/6q1 w - - 0 0"]
[PlyCount "3"]
[SourceDate "2015.08.04"]
{# echec puis enfilade : les blancs jouent et gagnent la dame} 1. Qf8+ Kg6 2.
Qg8+ 1-0
[Event "?"]
[Site "?"]
[Date "2020.12.05"]
[Round "?"]
[White "Niveau 3"]
[Black "exercice 1"]
[Result "1-0"]
[Annotator "Leconte"]
[SetUp "1"]
[FEN "7k/p1p1q1pp/2r5/2P5/3Q1R2/3P3P/PP4PK/8 w - - 0 0"]
[PlyCount "3"]
[SourceDate "2015.08.04"]
{# les blancs jouent et gagnent} 1. Qd7 Qxd7 2. Rf8# 1-0
[Event "?"]
[Site "?"]
[Date "2020.12.05"]
[Round "?"]
[White "Niveau 3"]
[Black "exercice 2"]
[Result "0-1"]
[Annotator "Leconte"]
[SetUp "1"]
[FEN "1r3bk1/Q1p2ppp/b1B5/p2PpNq1/1p4P1/5P2/PPP1r2P/1K1RR3 b - - 0 0"]
[PlyCount "9"]
[SourceDate "2015.08.04"]
{# les noirs jouent et gagnent} 1... Qd2 2. Rc1 (2. Rxd2 Rxe1+) 2... Qxc2+ (
2... Rxe1 {gagne également}) 3. Rxc2 Rxe1+ 4. Rc1 Bd3+ 5. Ka1 Rxc1# 0-1
[Event "?"]
[Site "?"]
[Date "2020.12.05"]
[Round "?"]
[White "Niveau 3"]
[Black "exercice 3"]
[Result "1-0"]
[Annotator "Leconte"]
[SetUp "1"]
[FEN "k3q3/p4p2/Pp6/8/1Q6/KP3r2/8/2R5 w - - 0 0"]
[PlyCount "3"]
[SourceDate "2015.08.04"]
{# les blancs jouent et gagnent} 1. Qe4+ Qxe4 2. Rc8# 1-0
[Event "?"]
[Site "?"]
[Date "2020.12.05"]
[Round "?"]
[White "Niveau 3"]
[Black "exercice 4"]
[Result "1-0"]
[Annotator "Leconte"]
[SetUp "1"]
[FEN "r3kbr1/1pP2p1p/4bBq1/2Pp4/5QP1/7P/4R3/6K1 w q - 0 0"]
[PlyCount "3"]
[SourceDate "2015.08.04"]
{# les blancs jouent et gagnent} 1. Qa4+ Rxa4 2. c8=Q# 1-0
[Event "?"]
[Site "?"]
[Date "2020.12.05"]
[Round "?"]
[White "Niveau 3"]
[Black "exercice 5"]
[Result "1-0"]
[Annotator "Leconte"]
[SetUp "1"]
[FEN "r3r1k1/3R1ppp/p3p1q1/2p1B3/2p5/5Q2/PPP3PP/1K1R4 w - - 0 0"]
[PlyCount "5"]
[SourceDate "2015.08.04"]
{# les blancs jouent et g # les blancs jouent et gagnent} 1. Qxa8 Rxa8 2. Rd8+
Rxd8 3. Rxd8# 1-0
[Event "?"]
[Site "?"]
[Date "2020.12.05"]
[Round "?"]
[White "Niveau 3"]
[Black "exercice 6"]
[Result "1-0"]
[Annotator "Leconte"]
[SetUp "1"]
[FEN "1r1r2k1/2q2ppp/p3b3/4p3/1p2P3/5B1P/PPPR1QP1/3R3K w - - 0 0"]
[PlyCount "5"]
[SourceDate "2015.08.04"]
{# les blancs jouent et gagnent # les blancs jouent et gagnent} 1. Qa7 Qxa7 (
1... Qc8 2. Qxb8 Rxd2 (2... Qxb8 3. Rxd8+ Qxd8 4. Rxd8#) 3. Qxc8+ Bxc8 4. Rxd2)
2. Rxd8+ Rxd8 3. Rxd8# 1-0
[Event "?"]
[Site "?"]
[Date "2020.12.05"]
[Round "?"]
[White "Niveau 4"]
[Black "exercice 1"]
[Result "1-0"]
[Annotator "Leconte"]
[SetUp "1"]
[FEN "4r2k/1pp2Qpp/p1p5/8/8/2P5/PP4PP/4qR1K w - - 0 0"]
[PlyCount "1"]
[SourceDate "2015.08.04"]
{# les blancs jouent et gagnent} 1. h3 {curieusement les noirs n'ont pas de
coup. La Dame est attaquée et il y a une menace de mat du couloir} 1-0
[Event "?"]
[Site "?"]
[Date "2020.12.05"]
[Round "?"]
[White "Niveau 4"]
[Black "exercice 2"]
[Result "0-1"]
[Annotator "Leconte"]
[SetUp "1"]
[FEN "8/ppk1rp1Q/5p2/2p5/2q5/P2r4/2b2PPP/2R1NRK1 b - - 0 0"]
[PlyCount "3"]
[SourceDate "2015.08.04"]
{# les noirs jouent et gagnent} 1... Rd1 2. Rxd1 (2. Rxc2 Qxf1+ 3. Kxf1 Rexe1#)
(2. Qxc2 Qxf1+ 3. Kxf1 Rexe1#) 2... Bxh7 0-1
[Event "?"]
[Site "?"]
[Date "2020.12.05"]
[Round "?"]
[White "Niveau 4"]
[Black "exercice 3"]
[Result "0-1"]
[Annotator "Leconte"]
[SetUp "1"]
[FEN "3r1r1k/pp4pp/4Q3/2p5/2PqN1n1/3P4/PP4PP/3R1R1K b - - 0 0"]
[PlyCount "7"]
[SourceDate "2015.08.04"]
{# les noirs jouent et gagnent} 1... Qxd3 2. Rxf8+ Rxf8 3. Rg1 (3. Rxd3 Rf1#)
3... Qxe4 4. Qxe4 Nf2# 0-1
[Event "?"]
[Site "?"]
[Date "2020.12.05"]
[Round "?"]
[White "Niveau 4"]
[Black "exercice 4"]
[Result "0-1"]
[Annotator "Leconte"]
[SetUp "1"]
[FEN "5rk1/p4p2/2p3pp/2P1b2q/N1Q5/6P1/PP4RP/3r1R1K b - - 0 0"]
[PlyCount "9"]
[SourceDate "2015.08.04"]
{# les noirs jouent et gagnent} 1... Qf3 2. Kg1 Bd4+ 3. Kh1 (3. Qxd4 Rxf1#) (3.
Rgf2 Bxf2#) 3... Rxf1+ 4. Qxf1 Qxf1+ 5. Rg1 Qxg1# 0-1
[Event "?"]
[Site "?"]
[Date "2020.12.06"]
[Round "?"]
[White "Niveau 4"]
[Black "exercice 5"]
[Result "0-1"]
[Annotator "Leconte"]
[SetUp "1"]
[FEN "3r2k1/5ppp/2Q5/5R2/3qP3/8/1r3PPP/4R1K1 b - - 0 0"]
[PlyCount "5"]
[SourceDate "2015.08.04"]
{# les noirs jouent et gagnent} 1... Rb1 2. Rxb1 Qd1+ 3. Rxd1 Rxd1# 0-1
[Event "?"]
[Site "?"]
[Date "2020.12.06"]
[Round "?"]
[White "Niveau 4"]
[Black "exercice 6"]
[Result "1-0"]
[Annotator "Leconte"]
[SetUp "1"]
[FEN "5rk1/p2r1ppp/b2q4/3B4/8/Q3R1P1/PP3P1P/4R1K1 w - - 0 0"]
[PlyCount "5"]
[SourceDate "2015.08.04"]
{# comment les blancs peuvent-ils gagner une qualité ?} 1. Bc6 Qxc6 (1... Bc8 {
peut être la meilleure défense} 2. Bxd7 Qxd7 3. Re7 {et les blancs vont gagner}
) 2. Qxf8+ Kxf8 3. Re8# 1-0
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