MESON Chess Problem Database
Problem Display
PID: 11473 (4b2b/4p3/1Np3pB/1pP1kp2/1p3R2/1Q1BPP2/2K2N2/8 w - - 0 1)
Carwardine, JA
Chess, 1939
#2
10 + 9
SOLUTION
- SOUND
- Sets
- 1...Kf6
- 2.Sg4#
- 1...Bd7
- 2.Sxd7#
- 1...Bf7
- 2.Sd7#
- 1...Bg7
- 2.Bxg7#
- 1...g5
- 2.Rxf5#
- 1...e6
- 2.Qb2#
- 1...Kf6
- Tries
- 1.Kb1?
- 1...Kf6
- 2.Sg4#
- 1...Bd7
- 2.Sxd7#
- 1...Bf7
- 2.Sd7#
- 1...Bg7
- 2.Bxg7#
- 1...g5
- 2.Rxf5#
- 1...e6
- 2.Qb2#
- 1...Bf6!
- 1...Kf6
- 1.Kc1?
- 1...Kf6
- 2.Sg4#
- 1...Bd7
- 2.Sxd7#
- 1...Bf7
- 2.Sd7#
- 1...Bg7
- 2.Bxg7#
- 1...g5
- 2.Rxf5#
- 1...e6
- 2.Qb2#
- 1...Bf6!
- 1...Kf6
- 1.Kd1?
- 1...Kf6
- 2.Sg4#
- 1...Bd7
- 2.Sxd7#
- 1...Bf7
- 2.Sd7#
- 1...Bg7
- 2.Bxg7#
- 1...g5
- 2.Rxf5#
- 1...e6
- 2.Qb2#
- 1...Bf6!
- 1...Kf6
- 1.Kd2?
- 1...Kf6
- 2.Sg4#
- 1...Bd7
- 2.Sxd7#
- 1...Bf7
- 2.Sd7#
- 1...Bg7
- 2.Bxg7#
- 1...g5
- 2.Rxf5#
- 1...e6
- 2.Qb2#
- 1...Bf6!
- 1...Kf6
- 1.Bf1?
- 1...Kf6
- 2.Sg4#
- 1...Bf6
- 2.Sd3#
- 1...Bd7
- 2.Sxd7#
- 1...Bf7
- 2.Sd7#
- 1...Bg7
- 2.Bxg7#
- 1...e6
- 2.Qb2#
- 1...g5!
- 1...Kf6
- 1.Be2?
- 1...Kf6
- 2.Sg4#
- 1...Bf6
- 2.Sd3#
- 1...Bd7
- 2.Sxd7#
- 1...Bf7
- 2.Sd7#
- 1...Bg7
- 2.Bxg7#
- 1...e6
- 2.Qb2#
- 1...g5!
- 1...Kf6
- 1.Bc4?
- threat
- 2.Qb2#
- 1...Kf6
- 2.Sg4#
- 1...bxc4!
- threat
- 1.Bxf5?
- threat
- 2.Sg4#
- 2.Qe6#
- 2.Qb2#
- 1...Kf6
- 2.Sg4#
- 2.Qe6#
- 1...Bd7
- 2.Sg4#
- 2.Sxd7#
- 2.Qb2#
- 1...Bf7
- 2.Sg4#
- 2.Sd7#
- 2.Qb2#
- 1...e6
- 2.Sg4#
- 2.Qxe6#
- 2.Qb2#
- 1...gxf5!
- threat
- 1.Re4+?
- 1...Kf6
- 2.Qe6#
- 1...fxe4!
- 1...Kf6
- 1.Qd5+?
- 1...Kf6
- 2.Se4#
- 2.Sg4#
- 1...cxd5!
- 1...Kf6
- 1.Kb1?
- Keys
- 1.Be4!
- 1...Kf6
- 2.Sg4#
- 1...fxe4
- 2.Sg4#
- 1...Bf6
- 2.Sd3#
- 1...Bd7
- 2.Sxd7#
- 1...Bf7
- 2.Sd7#
- 1...Bg7
- 2.Bxg7#
- 1...g5
- 2.Rxf5#
- 1...e6
- 2.Qb2#
- 1...Kf6
- 1.Be4!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- K(c);P_SPINP(d),S_FLIGHT::S(B)
- B(h);N_GUARD::S(I),XB(h)
- B(h);N_GUARD::S(I)
- B(i);N_GUARD::B(J),XB(i)
- P(f);N_GUARD::R1(G),XP(d)
- P(g);SBLOCK::QAB(C)
- Tries
- Try
- K(A);S_FLIGHT
- Vars
- K(c);P_SPINP(d),S_FLIGHT::S(B)
- B(h);N_GUARD::S(I),XB(h)
- B(h);N_GUARD::S(I)
- B(i);N_GUARD::B(J),XB(i)
- P(f);N_GUARD::R1(G),XP(d)
- P(g);SBLOCK::QAB(C)
- Refutation
- B(i);
- Try
- K(A);P-FLIGHT
- Vars
- K(c);P_SPINP(d),S_FLIGHT::S(B)
- B(h);N_GUARD::S(I),XB(h)
- B(h);N_GUARD::S(I)
- B(i);N_GUARD::B(J),XB(i)
- P(f);N_GUARD::R1(G),XP(d)
- P(g);SBLOCK::QAB(C)
- Refutation
- B(i);
- Try
- K(A);S_FLIGHT
- Vars
- K(c);P_SPINP(d),S_FLIGHT::S(B)
- B(h);N_GUARD::S(I),XB(h)
- B(h);N_GUARD::S(I)
- B(i);N_GUARD::B(J),XB(i)
- P(f);N_GUARD::R1(G),XP(d)
- P(g);SBLOCK::QAB(C)
- Refutation
- B(i);
- Try
- K(A);P-FLIGHT
- Vars
- K(c);P_SPINP(d),S_FLIGHT::S(B)
- B(h);N_GUARD::S(I),XB(h)
- B(h);N_GUARD::S(I)
- B(i);N_GUARD::B(J),XB(i)
- P(f);N_GUARD::R1(G),XP(d)
- P(g);SBLOCK::QAB(C)
- Refutation
- B(i);
- Try
- B(D);
- Vars
- K(c);P_SPINP(d),S_FLIGHT::S(B)
- B(i);SBLOCK::S(B)
- B(h);N_GUARD::S(I),XB(h)
- B(h);N_GUARD::S(I)
- B(i);N_GUARD::B(J),XB(i)
- P(g);SBLOCK::QAB(C)
- Refutation
- P(f);
- Try
- B(D);
- Vars
- K(c);P_SPINP(d),S_FLIGHT::S(B)
- B(i);SBLOCK::S(B)
- B(h);N_GUARD::S(I),XB(h)
- B(h);N_GUARD::S(I)
- B(i);N_GUARD::B(J),XB(i)
- P(g);SBLOCK::QAB(C)
- Refutation
- P(f);
- Try
- B(D);
- Threat
- QAB(C)
- Vars
- K(c);P_SPINP(d),S_FLIGHT::S(B)
- Refutation
- P(b);XB(D)
- Try
- B(D);XP(d)
- Threat
- DUALS(3)
- Refutation
- P(f);XB(D)
- Try
- R(G);CHECK
- Vars
- K(c);S_FLIGHT::QAR1(C)
- Refutation
- P(d);XR(G)
- Try
- Q(C);CHECK
- Refutation
- P(e);XQ(C)
- Try
- Actual
- B(D);
- Vars
- K(c);P_SPINP(d),S_FLIGHT::S(B)
- P(d);N_GUARD,XB(D)::S(B)
- B(i);SBLOCK::S(B)
- B(h);N_GUARD::S(I),XB(h)
- B(h);N_GUARD::S(I)
- B(i);N_GUARD::B(J),XB(i)
- P(f);N_GUARD::R1(G),XP(d)
- P(g);SBLOCK::QAB(C)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
CSS/Javascript (jQuery, Bootstrap & DataTables).