MESON Chess Problem Database
Problem Display
PID: 10994 (b7/3QRN2/8/4Bp2/4k2b/1n4R1/6K1/2n5 w - - 0 1)
Blake, Percy Francis
2nd Prize, Kentish Mercury, 1898
#2
6 + 6
| 15 | British Chess Magazine | 1899 |
| 1842 | The White King | 1914 |
| 3360 | Simple Two-move Themes | 1924 |
| 5501 | Chess Cameos | 1936 |
| 3310 | 2345 Chess Problems | 1997 |
| 6215 | JBCSC Postal | 2009-2010 |
SOLUTION
- SOUND
- Sets
- 1...Bxg3
- 2.Bxg3#
- 1...Bg5
- 2.Sxg5#
- 1...Bd5
- 2.Sd6#
- 1...Bc6
- 2.Qxc6#
- 1...Bb7
- 2.Qxb7#
- 1...Sa2
- 2.Qd3#
- 1...Se2
- 2.Qd3#
- 1...Sd3
- 2.Qxd3#
- 1...Sa1
- 2.Qd4#
- 1...Sd2
- 2.Qd4#
- 1...Sd4
- 2.Qxd4#
- 1...Sa5
- 2.Qd4#
- 1...Sc5
- 2.Qd4#
- 1...f4
- 2.Bf6#
- 1...Bxg3
- Tries
- 1.Rxb3?
- threat
- 2.Qd4#
- 1...Bf2
- 2.Sg5#
- 2.Bh2#
- 2.Bg3#
- 2.Bc7#
- 2.Bb8#
- 1...Bd5
- 2.Sd6#
- 1...Se2
- 2.Qd3#
- 1...f4
- 2.Bf6#
- 1...Sxb3!
- threat
- 1.Rf3?
- threat
- 2.Bf6#
- 1...Bg3
- 2.Sg5#
- 2.Bxg3#
- 2.Bf4#
- 1...Bf6
- 2.Bxf6#
- 1...Bd5
- 2.Sd6#
- 2.Qxf5#
- 1...Sd3
- 2.Qxd3#
- 1...Sd4
- 2.Qxd4#
- 1...Sc5
- 2.Qd4#
- 1...Bxe7!
- threat
- 1.Qa4+?
- 1...Sd4
- 2.Qxd4#
- 1...Kd5!
- 1...Sd4
- 1.Qd1?
- threat
- 2.Sd6#
- 2.Qf3#
- 1...Bxg3
- 2.Bxg3#
- 2.Qf3#
- 1...Bxe7
- 2.Qf3#
- 1...Sd3
- 2.Qf3#
- 2.Qxd3#
- 1...Sd4
- 2.Qxd4#
- 1...f4
- 2.Sd6#
- 1...Se2
- 2.Sd6#
- 2.Qd3#
- 1...Sd2!
- threat
- 1.Qd2?
- threat
- 2.Sd6#
- 2.Bf6#
- 2.Re3#
- 1...Bxg3
- 2.Sg5#
- 2.Sd6#
- 2.Bxg3#
- 2.Bf4#
- 1...Bxe7
- 2.Re3#
- 1...Sd3
- 2.Qxd3#
- 1...Sd4
- 2.Qxd4#
- 1...f4
- 2.Sd6#
- 1...Bf6
- 2.Sd6#
- 2.Bxf6#
- 2.Re3#
- 1...Bg5
- 2.Sxg5#
- 2.Sd6#
- 2.Bf6#
- 1...Bd5
- 2.Sd6#
- 2.Re3#
- 2.Qe3#
- 2.Qf4#
- 1...Sc5
- 2.Sd6#
- 2.Re3#
- 2.Qd4#
- 1...Sxd2!
- threat
- 1.Qd5+?
- 1...Bxd5
- 2.Sd6#
- 1...Kxd5!
- 1...Bxd5
- 1.Rxb3?
- Keys
- 1.Kf2!
- 1...Bxg3+
- 2.Bxg3#
- 1...Sd3+
- 2.Qxd3#
- 1...Bxe7
- 2.Re3#
- 1...Bg5
- 2.Sxg5#
- 1...Bf6
- 2.Re3#
- 1...Bd5
- 2.Sd6#
- 1...Bc6
- 2.Qxc6#
- 1...Bb7
- 2.Qxb7#
- 1...Sa2
- 2.Qd3#
- 1...Se2
- 2.Qd3#
- 1...Sa1
- 2.Qd4#
- 1...Sd2
- 2.Qd4#
- 1...Sd4
- 2.Qxd4#
- 1...Sa5
- 2.Qd4#
- 1...Sc5
- 2.Qd4#
- 1...f4
- 2.Bf6#
- 1...Bxg3+
- 1.Kf2!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- B(d);OGATE,XR(B)::R(E)+B(C),XB(d)
- B(d);N_GUARD::S(F),XB(d)
- B(f);SBLOCK::S(F)
- B(f);N_GUARD::QAB(D),XB(f)
- S(a);N_GUARD::QAB1(D)
- S(a);N_GUARD::QAB1(D),XS(a)
- S(b);N_GUARD::QAR1(D)
- S(b);N_GUARD::QAR1(D),XS(b)
- P(e);SBLOCK::R(E)+B(C)
- Tries
- Try
- R(B);XS(b)
- Threat
- QAR1(D)
- Vars
- B(f);SBLOCK::S(F)
- S(a);N_GUARD::QAB1(D)
- P(e);SBLOCK::R(E)+B(C)
- Refutation
- S(a);XR(B)
- Try
- R(B);
- Threat
- R(E)+B(C)
- Vars
- B(d);::R(E)+B(C),XB(d)
- S(a);N_GUARD::QAB1(D),XS(a)
- S(b);N_GUARD::QAR1(D),XS(b)
- S(b);N_GUARD::QAR1(D)
- Refutation
- B(d);XR(E)
- Try
- Q(D);CHECK
- Vars
- S(b);N_GUARD,P_SPINS(b)::QAR1(D),XS(b)
- Refutation
- K(c);S_FLIGHT
- Try
- Q(D);
- Threat
- DUALS(2)
- Vars
- B(d);XR(E)::QAB1(D)
- S(b);N_GUARD::QAR1(D),XS(b)
- P(e);::S(F)
- Refutation
- S(b);
- Try
- Q(D);
- Threat
- DUALS(3)
- Vars
- B(d);XR(E)::R1(B)
- S(a);N_GUARD::QAB1(D),XS(a)
- S(b);N_GUARD::QAR1(D),XS(b)
- P(e);::S(F)
- Refutation
- S(b);XQ(D)
- Try
- Q(D);CHECK
- Vars
- B(f);SBLOCK,XQ(D)::S(F)
- Refutation
- K(c);S_FLIGHT,XQ(D)
- Try
- Actual
- K(A);P-FLIGHT,P_SPINR(B)
- Vars
- B(d);CHECK,OGATE,XR(B)::R(E)+B(C),XB(d)
- S(a);CHECK,N_GUARD::QAB1(D),XS(a)
- B(d);N_PINR(B),XR(E)::R1(B)
- B(d);N_GUARD,N_PINR(B)::S(F),XB(d)
- B(d);N_PINR(B)::R1(B)
- B(f);SBLOCK::S(F)
- B(f);N_GUARD::QAB(D),XB(f)
- S(a);N_GUARD::QAB1(D)
- S(b);N_GUARD::QAR1(D)
- S(b);N_GUARD::QAR1(D),XS(b)
- P(e);SBLOCK::R(E)+B(C)
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