MESON Chess Problem Database
Problem Display
PID: 57151 (3R4/n1p1rp1p/2pBkbbR/7p/KN3Q1r/1p4N1/8/7B w - - 0 1)
Westbury, Eric Ernest
3rd Prize, Brisbane Courier, 1917-1918
#2
8 + 12
| 56 | The Problemist | 2006 |
SOLUTION
- SOUND
- Sets
- 1...Rxh1
- 2.Qc4#
- 1...Rh2
- 2.Qc4#
- 1...Rh3
- 2.Qc4#
- 1...Ba1
- 2.Qf5#
- 1...Bb2
- 2.Qf5#
- 1...Bc3
- 2.Qf5#
- 1...Bd4
- 2.Qf5#
- 1...Be5
- 2.Qxe5#
- 2.Qf5#
- 1...Bg5
- 2.Qe5#
- 2.Qf5#
- 1...Bg7
- 2.Qf5#
- 1...Bh8
- 2.Qf5#
- 1...Bb1
- 2.Rxf6#
- 2.Qe5#
- 2.Qxf6#
- 1...Bc2
- 2.Rxf6#
- 2.Qe5#
- 2.Qxf6#
- 1...Bd3
- 2.Rxf6#
- 2.Qe5#
- 2.Qxf6#
- 1...Be4
- 2.Rxf6#
- 2.Qe5#
- 2.Qxf6#
- 1...Bf5
- 2.Qe5#
- 2.Qxf5#
- 1...c5
- 2.Bd5#
- 1...cxd6
- 2.Rxd6#
- 2.Qxd6#
- 1...Rxh1
- Tries
- 1.Se4?
- threat
- 2.Sc5#
- 2.Qxf6#
- 1...Bxe4
- 2.Rxf6#
- 2.Qe5#
- 2.Qxf6#
- 1...cxd6
- 2.Rxd6#
- 2.Qxf6#
- 1...Ba1
- 2.Sc5#
- 2.Sg5#
- 1...Bb2
- 2.Sc5#
- 2.Sg5#
- 1...Bc3
- 2.Sc5#
- 2.Sg5#
- 1...Bd4
- 2.Sg5#
- 1...Be5
- 2.Sc5#
- 2.Sg5#
- 2.Qxe5#
- 1...Bg5
- 2.Sc5#
- 2.Sxg5#
- 2.Qe5#
- 1...Bg7
- 2.Sc5#
- 2.Sg5#
- 1...Bh8
- 2.Sc5#
- 2.Sg5#
- 1...Bf5
- 2.Sc5#
- 2.Sg5#
- 2.Rxf6#
- 2.Qe5#
- 1...c5
- 2.Sxc5#
- 2.Qxf6#
- 1...Rxf4!
- threat
- 1.Sa6?
- threat
- 2.Sc5#
- 1...Rxh1
- 2.Qc4#
- 1...cxd6
- 2.Rxd6#
- 1...Be4
- 2.Qe5#
- 1...Bd4
- 2.Qf5#
- 1...c5
- 2.Sxc5#
- 1...Rxf4+!
- threat
- 1.Bxc6?
- threat
- 2.Bd5#
- 1...Be4
- 2.Rxf6#
- 2.Qe5#
- 2.Qxf6#
- 1...Sxc6!
- threat
- 1.Be5?
- threat
- 2.Qxf6#
- 1...Bxe5
- 2.Qf5#
- 1...Bg5
- 2.Qf5#
- 1...Bg7
- 2.Qf5#
- 1...Bh8
- 2.Qf5#
- 1...Bf5
- 2.Rxf6#
- 2.Qxf5#
- 1...Rxf4!
- threat
- 1.Se4?
- Keys
- 1.Sd3!
- threat
- 2.Sc5#
- 1...Rxf4+
- 2.Sxf4#
- 1...Rxh1
- 2.Qc4#
- 1...Bxd3
- 2.Rxf6#
- 1...cxd6
- 2.Rxd6#
- 1...Be4
- 2.Qe5#
- 1...Bd4
- 2.Qf5#
- 1...c5
- 2.Sxc5#
- threat
- 1.Sd3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 4
- REMOVED MATES = 7
- Sets
- R(b);N_GUARD,XB(A)::QAB(E)
- R(b);N_GUARD::QAB(E)
- B(f);P_SPINB(g)::QAB1(E)
- P(d);N_GUARD::B(A)
- Tries
- Try
- S(B);
- Threat
- DUALS(2)
- Vars
- B(f);N_GUARD,P_SPINB(g)::S(B)
- Refutation
- R(b);XQ(E)
- Try
- S(D);P_SPINQ(E)
- Threat
- S(D)
- Vars
- R(b);N_GUARD,N_PINQ(E),XB(A)::QAB(E)
- P(i);OGATE,XB(F)::R1(H),XP(i)
- B(g);N_PINQ(E),P_SPINB(f)::QAR1(E)
- B(f);N_PINQ(E),P_SPINB(g)::QAB1(E)
- P(d);::S(D),XP(d)
- Refutation
- R(b);CHECK,XQ(E)
- Try
- B(A);XP(d)
- Threat
- B(A)
- Refutation
- S(h);XB(A)
- Try
- B(F);
- Threat
- QAR1(E),XB(f)
- Vars
- B(f);P_SPINB(g),XB(F)::QAB1(E)
- B(f);P_SPINB(g)::QAB1(E)
- Refutation
- R(b);P_PINS(D),XQ(E)
- Try
- Actual
- S(D);P_SPINQ(E)
- Threat
- S(D)
- Vars
- R(b);CHECK,XQ(E)::S(D),XR(b)
- R(b);N_GUARD,N_PINQ(E),XB(A)::QAB(E)
- B(g);OGATE,P_SPINB(f),XS(D)::R1(G),XB(f)
- P(i);OGATE,XB(F)::R1(H),XP(i)
- B(g);N_PINQ(E),P_SPINB(f)::QAR1(E)
- B(f);N_PINQ(E),P_SPINB(g)::QAB1(E)
- P(d);::S(D),XP(d)
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