Saturday, September 26, 2009

Tactic 0194

[Event "ICC Blitz"]
[White "jbennett"]
[Black "Carchi"]
[Result "*"]
[Annotator "JB"]
[SetUp "1"]
[FEN "r3kb1r/2qn1ppp/p1p1p3/1p2N3/2pP1NP1/4RQ1P/PP3P2/R5K1 w kq - 0 18"]

{White to move, black just played Nd7. }
{Second best is Nxc6 (2.48), best is Nxf7 (11.17) }
1. Nxf7 Qc8 {Of course not Kxf7, because it sets up a discovered }
{check that wins the queen. }
2. Nxh8 Nf6
3. Nxe6 Kd7
4. Qf5 Nd5
*

Friday, September 25, 2009

Tactic 0193


[Event "3rd NH Chess Tournament"]
[Site "Amsterdam NED"]
[Date "2009.08.29"]
[Round "8"]
[White "Caruana, F."]
[Black "Nielsen, PH."]
[Result "1/2-1/2"]
[EventDate "2009.08.20"]
[Annotator "JB"]
[SetUp "1"]
[FEN "7k/4Qr2/1p1p3p/8/3P1q1P/3b2p1/PP4P1/2R3RK w - - 0 29"]

{White to move, black just played Rf7. }
{Second best is Qd8+ (0.00), best is Rc8+ (2.60) }
{Actually, black is better after Qd8+, since he can play Rf8 and }
{then Be4, instead of repeating moves. }
1. Rc8+ Kh7
2. Rf8! {Taking advantage of the pins on the rook on f7. }
2... Rxe7
3. Rxf4 Re2
4. Rg4 Bc4
5. b3
*

Thursday, September 24, 2009

Tactic 0192


[Event "ICC Blitz"]
[White "jbennett"]
[Black "kiyosaki"]
[Result "*"]
[Annotator "JB"]
[SetUp "1"]
[FEN "r1b1r1k1/pppn1pbp/3pqnp1/4p1B1/2PPP3/2N2N1P/PP1QBPP1/R4RK1 w - - 0 11"]

{White to move, black just played Qe6. }
{Second best is Nb5 (1.35), best is Nd5 (1.99) }
1. Nd5! {Nb5 is nearly as good. The problem for black is that }
{Nc7 forks the two rooks and the queen, and c7 can't be }
{defended. }
1... Nxe4 {The second point of Nd5 is that if Nxd5, then }
{cxd5 traps the queen! }
2. Qc1 c6
3. Nc7 Nxg5
4. Qxg5 {Or just Nxe6, winning a queen for two pieces. }
4... Qe7
5. Qxe7 Rxe7
6. Nxa8
*

Wednesday, September 23, 2009

Tactic 0191

[Event "ICC Blitz"]
[White "jbennett"]
[Black "pandas"]
[Result "*"]
[Annotator "JB"]
[SetUp "1"]
[FEN "3r1rk1/ppq1bppn/2p5/6P1/2P1P2P/2n1Q3/PB2B3/1K1R3R w - - 0 26"]

{White to move, black just played Nxc3+. }
{Second best is Bxc3 (0.95), best is Qxc3 (4.04) }
1. Qxc3 f6 {To defend against mate. Other moves also lose a piece. }
2. g6 {The knight is trapped! }
*

Tuesday, September 22, 2009

Tactic 0190


[Event "3rd NH Chess Tournament"]
[Site "Amsterdam NED"]
[Date "2009.08.29"]
[Round "8"]
[White "Caruana, F."]
[Black "Nielsen, PH."]
[Result "1/2-1/2"]
[EventDate "2009.08.20"]
[Annotator "JB"]
[SetUp "1"]
[FEN "5r1k/4Q3/1p1p3p/8/3P1q1P/3b2p1/PP4P1/2R3RK b - - 0 28"]

{Black to move, white just played Rg1. }
{Second best is Ba6 (0.00), best is Be4 (-0.66) }
1... Be4
2. Rcf1 {The threat is Bxg2+, for example: }
(2. d5 Bxg2+
3. Rxg2 {Kxg2 is worse: }
(3. Kxg2 Qf2+
4. Kh3 Rg8 {Threatening mate. }
5. Qf6+ Qxf6
)
3... Qxc1+
)
2... Qxf1
3. Qxe4 Qf4
4. Qxf4 Rxf4
5. Rd1 Rf2
6. a3 Rxb2
*

Monday, September 21, 2009

Tactic 0189

[Event "ICC Blitz"]
[White "jbennett"]
[Black "kiyosaki"]
[Result "*"]
[Annotator "JB"]
[SetUp "1"]
[FEN "r1bqr1k1/pppnppbp/3p1np1/8/2PPP3/2N2N1P/PP2BPP1/R1BQK2R w KQ - 0 8"]

{White to move, black just played Re8. }
{Second best is Be3 (0.37), best is e5 (2.14) }
1. e5 dxe5
2. dxe5 Nh5 {The rook on e8 blocks the knight's retreat. }
3. g4 {And now the knight is trapped. }
3... Nhf6
4. exf6 Bxf6
5. Be3
*

Sunday, September 20, 2009

Tactic 0188

[Event "ICC Blitz"]
[White "jemmack"]
[Black "jbennett"]
[Result "*"]
[Annotator "JB"]
[SetUp "1"]
[FEN "r7/pp2nqkp/5rp1/3p4/4p3/P1Pn2N1/1PQN1PPP/R4RK1 w - - 0 22"]

{White to move, black just played Qf7. }
{Second best is f3 (-0.13), best is Ngxe4 or Ndxe4 (0.65) }
1. Ngxe4 dxe4
2. Nxe4 Nf4
3. Nxf6 Qxf6
4. Qe4
*

Saturday, September 19, 2009

Tactic 0187

[Event "ICC Blitz"]
[White "carrotop"]
[Black "jbennett"]
[Result "*"]
[Annotator "JB"]
[SetUp "1"]
[FEN "1r6/1q2p2R/pk1p1r2/6Q1/b1p1P3/2P2P2/PP1R2P1/2K5 b - - 0 31"]

{Black to move, white just played Qg5. }
{Second best is Qc7 (-0.62), best is Qxe4 (-2.50) }
1... Qxe4!
2. Qh4 {If fxe4, then Rf1+ leads to mate. }
{Qh4 protects the rook and guards against Qe1+. }
2... Qxh4
3. Rxh4 Rc8
4. b3 Be8
5. bxc4 Bf7
*

Friday, September 18, 2009

Tactic 0186


[Event "ICC Blitz"]
[White "Djedoviluk"]
[Black "jbennett"]
[Result "*"]
[Annotator "JB"]
[SetUp "1"]
[FEN "1k3r2/1b5p/3pp3/1p2b3/1Pp1P3/P4B2/4QKPq/1R1R4 b - - 0 33"]

{Black to move, white just played Kf2. }
{Second best is d5 (-16.04), best is Bg3+ (mate in 3). }
{There are other winning moves here as well, for example }
{Qh4+, Qf4, or Rf6, but this is a pretty mate. }
1... Bg3+
2. Ke3 Qh6+
3. Kd4 Be5#
*

Thursday, September 17, 2009

Tactic 0185

[Event "ICC Blitz"]
[White "jbennett"]
[Black "Feif"]
[Result "*"]
[Annotator "JB"]
[SetUp "1"]
[FEN "1r3r1k/p1n4p/1p3N2/3p1q2/8/2Q2P2/PP5P/1K1R2R1 w - - 0 26"]

{White to move, black just played Qf5+. }
{Second best is Ka1 (0.31), best is Ne4+ (12.61) }
1. Ne4+ Rf6
2. Qxc7 Rg8
3. Rxg8+ Kxg8
4. Rxd5 Qg6 {If Qxf3, then Nxf6+ followed by Rd8+ is crushing. }
5. Rg5
*