MESON Chess Problem Database
Problem Display
PID: 2380 (4R3/K3p3/3p2pR/3k1rnP/p4P2/P3B2B/2Q2N2/8 w - - 0 1)
Grimshaw, Walter
The Westminster Papers, 1875
#2
10 + 7
| 1693 | English Chess Problems | 1876 |
| 56 | The Problemist | 1928 |
| 15351 | SCPF/BCPS Black Books | 2017 |
SOLUTION
- SOUND
- Sets
- 1...Ke6
- 2.Qxf5#
- 1...Sf3
- 2.Qe4#
- 1...Sxh3
- 2.Qe4#
- 1...Se4
- 2.Qxe4#
- 1...Se6
- 2.Bg2#
- 2.Qe4#
- 1...Sf7
- 2.Qe4#
- 1...Sh7
- 2.Qe4#
- 1...Ke6
- Tries
- 1.Kb6?
- threat
- 2.Qa2#
- 1...Ke6
- 2.Qxf5#
- 1...Rxf4!
- threat
- 1.Kb7?
- threat
- 2.Qa2#
- 1...Ke6
- 2.Qxf5#
- 1...Rxf4!
- threat
- 1.Bg2+?
- 1...Sf3
- 2.Qe4#
- 1...Se4
- 2.Qxe4#
- 1...Ke6!
- 1...Sf3
- 1.Rb8?
- 1...Ke6
- 2.Qxf5#
- 1...Rxf4
- 2.Rb5#
- 1...Sxh3
- 2.Qe4#
- 1...gxh5
- 2.Rb5#
- 1...Re5
- 2.Rb5#
- 1...Rf6
- 2.Rb5#
- 1...Rf7
- 2.Rb5#
- 1...Rf8
- 2.Rb5#
- 1...Sf3
- 2.Qe4#
- 1...Se4
- 2.Qxe4#
- 1...Se6
- 2.Bg2#
- 2.Qe4#
- 1...Sf7
- 2.Qe4#
- 1...Sh7
- 2.Qe4#
- 1...e6
- 2.Rb5#
- 1...e5!
- 1...Ke6
- 1.Rc8?
- threat
- 2.Qa2#
- 2.Qc4#
- 1...Ke6
- 2.Qxf5#
- 1...Rxf4!
- threat
- 1.Rd8?
- 1...Ke6
- 2.Qxf5#
- 1...Rxf4
- 2.Qc5#
- 1...Sxh3
- 2.Qe4#
- 1...gxh5
- 2.Qc5#
- 1...Re5
- 2.Qc5#
- 1...Rf6
- 2.Qc5#
- 1...Rf7
- 2.Qc5#
- 1...Rf8
- 2.Qc5#
- 1...Sf3
- 2.Qe4#
- 1...Se4
- 2.Qxe4#
- 1...Se6
- 2.Bg2#
- 2.Qe4#
- 1...Sf7
- 2.Qe4#
- 1...Sh7
- 2.Qe4#
- 1...e6
- 2.Qc5#
- 1...e5!
- 1...Ke6
- 1.Qb3+?
- 1...Kc6
- 2.Qb7#
- 1...axb3!
- 1...Kc6
- 1.Qd3+?
- 1...Ke6
- 2.Qxf5#
- 1...Kc6!
- 1...Ke6
- 1.Qxa4?
- 1...Rxf4
- 2.Qb5#
- 1...Sxh3
- 2.Qe4#
- 1...gxh5
- 2.Qb5#
- 1...e5
- 2.Qb5#
- 1...Re5
- 2.Qb5#
- 1...Rf6
- 2.Qb5#
- 1...Rf7
- 2.Qb5#
- 1...Rf8
- 2.Qb5#
- 1...Sf3
- 2.Qe4#
- 1...Se4
- 2.Qxe4#
- 1...Se6
- 2.Bg2#
- 2.Qe4#
- 1...Sf7
- 2.Qe4#
- 1...Sh7
- 2.Qe4#
- 1...e6
- 2.Qb5#
- 1...Ke6!
- 1...Rxf4
- 1.Qc5+?
- 1...Ke6
- 2.Qxf5#
- 1...dxc5!
- 1...Ke6
- 1.Kb6?
- Keys
- 1.Qb1!
- 1...Kc4
- 2.Qd3#
- 1...Kc6
- 2.Qb7#
- 1...Ke6
- 2.Qxf5#
- 1...Rxf4
- 2.Qb5#
- 1...Sxh3
- 2.Qe4#
- 1...gxh5
- 2.Qb5#
- 1...e5
- 2.Qb5#
- 1...Re5
- 2.Qb5#
- 1...Rf6
- 2.Qb5#
- 1...Rf7
- 2.Qb5#
- 1...Rf8
- 2.Qb5#
- 1...Sf3
- 2.Qe4#
- 1...Se4
- 2.Qxe4#
- 1...Se6
- 2.Qe4#
- 1...Sf7
- 2.Qe4#
- 1...Sh7
- 2.Qe4#
- 1...e6
- 2.Qb5#
- 1...Kc4
- 1.Qb1!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 11
- REMOVED MATES = 0
- Sets
- K(b);P_SPINP(f),P_SPINR(c),S_FLIGHT::QAB1(A),XR(c)
- S(d);N_GUARD::QAB1(A)
- S(d);N_GUARD,XB(E)::QAB1(A)
- S(d);N_GUARD::QAB1(A),XS(d)
- Tries
- Try
- K(I);S_FLIGHT
- Threat
- QAB(A)
- Vars
- K(b);P_SPINP(f),P_SPINR(c),S_FLIGHT::QAB1(A),XR(c)
- Refutation
- R(c);XP(F)
- Try
- K(I);P-FLIGHT
- Threat
- QAB(A)
- Vars
- K(b);P_SPINP(f),P_SPINR(c),S_FLIGHT::QAB1(A),XR(c)
- Refutation
- R(c);XP(F)
- Try
- B(E);CHECK
- Vars
- S(d);N_GUARD,P_SPINS(d)::QAB1(A)
- S(d);N_GUARD,P_SPINS(d)::QAB1(A),XS(d)
- Refutation
- K(b);P_SPINP(f),S_FLIGHT
- Try
- R(J);
- Vars
- K(b);P_SPINP(f),P_SPINR(c),S_FLIGHT::QAB1(A),XR(c)
- R(c);XP(F)::R(J)
- S(d);N_GUARD,XB(E)::QAB1(A)
- P(f);XP(G)::R(J)
- R(c);::R(J)
- S(d);N_GUARD::QAB1(A)
- S(d);N_GUARD::QAB1(A),XS(d)
- P(g);SBLOCK::R(J)
- Refutation
- P(g);
- Try
- R(J);
- Threat
- DUALS(2)
- Vars
- K(b);P_SPINP(f),P_SPINR(c),S_FLIGHT::QAB1(A),XR(c)
- Refutation
- R(c);XP(F)
- Try
- R(J);P_PINP(e)
- Vars
- K(b);N_SPINP(e),P_SPINP(f),P_SPINR(c),S_FLIGHT::QAB1(A),XR(c)
- R(c);XP(F)::QAR1(A)
- S(d);N_GUARD,XB(E)::QAB1(A)
- P(f);XP(G)::QAR1(A)
- R(c);::QAR1(A)
- S(d);N_GUARD::QAB1(A)
- S(d);N_GUARD::QAB1(A),XS(d)
- P(g);SBLOCK::QAR1(A)
- Refutation
- P(g);
- Try
- Q(A);CHECK
- Vars
- K(b);S_FLIGHT::QAB1(A)
- Refutation
- P(a);XQ(A)
- Try
- Q(A);CHECK
- Vars
- K(b);P_SPINP(f),P_SPINR(c),S_FLIGHT::QAB1(A),XR(c)
- Refutation
- K(b);S_FLIGHT
- Try
- Q(A);XP(a)
- Vars
- R(c);XP(F)::QAR2(A)
- S(d);N_GUARD,XB(E)::QAB1(A)
- P(f);XP(G)::QAR2(A)
- P(g);::QAR2(A)
- R(c);::QAR2(A)
- S(d);N_GUARD::QAB1(A)
- S(d);N_GUARD::QAB1(A),XS(d)
- Refutation
- K(b);P_SPINP(f),P_SPINR(c),S_FLIGHT
- Try
- Q(A);CHECK
- Vars
- K(b);OGATE,P_SPINP(f),P_SPINR(c),S_FLIGHT::QAB1(A),XR(c)
- Refutation
- P(e);XQ(A)
- Try
- Actual
- Q(A);
- Vars
- K(b);S_FLIGHT::QAB1(A)
- K(b);P_SPINP(f),P_SPINR(c),S_FLIGHT::QAB1(A),XR(c)
- R(c);XP(F)::QAR2(A)
- S(d);N_GUARD,XB(E)::QAB1(A)
- P(f);XP(G)::QAR2(A)
- P(g);::QAR2(A)
- R(c);::QAR2(A)
- S(d);N_GUARD::QAB1(A)
- S(d);N_GUARD::QAB1(A),XS(d)
Developed and maintained by Brian Stephenson.
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