MESON Chess Problem Database
Problem Display
PID: 160629 (6n1/7K/Q1Pr1kBp/3PR1pp/4p3/3pN1B1/n1p5/q1R5 w - - 0 1)
Williams, Philip Hamilton
Reading Observer, 1903
#2
9 + 11
| 15351 | SCPF/BCPS Black Books | 2017 |
SOLUTION
- SOUND
- Sets
- 1...Qb2
- 2.Rf1#
- 1...Qc3
- 2.Rf1#
- 1...Qd4
- 2.Rf1#
- 1...Rxd5
- 2.Sxd5#
- 1...Rxc6
- 2.Qxc6#
- 1...Re6
- 2.Rxe6#
- 1...Rd7+
- 2.cxd7#
- 1...Rd8
- 2.Re6#
- 1...d2
- 2.Qf1#
- 1...h4
- 2.Sg4#
- 1...Qb2
- Tries
- 1.Bxh5?
- threat
- 2.Sg4#
- 1...Rd7+
- 2.cxd7#
- 1...Re6
- 2.Rxe6#
- 1...g4
- 2.Sxg4#
- 1...Qxe5!
- threat
- 1.Qb7?
- threat
- 2.Rf5#
- 2.Qf7#
- 2.Qg7#
- 1...Qxe5
- 2.Qf7#
- 2.Qg7#
- 1...Rxd5
- 2.Sxd5#
- 2.Qf7#
- 2.Qg7#
- 1...Se7
- 2.Qxe7#
- 1...Rd7+!
- threat
- 1.Qc8?
- threat
- 2.Qf5#
- 2.Qf8#
- 1...Qxe5
- 2.Qf8#
- 1...Re6
- 2.Rxe6#
- 2.Qxe6#
- 2.Qf8#
- 1...Rd8
- 2.Re6#
- 2.Qf5#
- 2.Qe6#
- 1...Se7
- 2.Qf8#
- 2.Qh8#
- 1...Rd7+!
- threat
- 1.Qa7?
- threat
- 2.Rf5#
- 2.Qf7#
- 2.Qg7#
- 1...Qxe5
- 2.Qf7#
- 2.Qg7#
- 1...Rxd5
- 2.Sxd5#
- 2.Qf7#
- 2.Qg7#
- 1...Se7
- 2.Qxe7#
- 1...Rd7+!
- threat
- 1.Qa8?
- threat
- 2.Qf8#
- 1...Rd8
- 2.Re6#
- 1...Rd7+!
- threat
- 1.Bxh5?
- Keys
- 1.Re8!
- 1...Rd7+
- 2.cxd7#
- 1...Qxc1
- 2.Be5#
- 1...Rxd5
- 2.Sxd5#
- 1...Rxc6
- 2.Qxc6#
- 1...Sxc1
- 2.Qxa1#
- 1...g4
- 2.Bh4#
- 1...Qb2
- 2.Rf1#
- 1...Qc3
- 2.Rf1#
- 1...Qd4
- 2.Rf1#
- 1...Qe5
- 2.Bxe5#
- 1...Qb1
- 2.Be5#
- 1...Re6
- 2.Rxe6#
- 1...Rd8
- 2.Re6#
- 1...Sc3
- 2.Be5#
- 1...Sb4
- 2.Qxa1#
- 1...Se7
- 2.Rf8#
- 1...d2
- 2.Qf1#
- 1...h4
- 2.Sg4#
- 1...Rd7+
- 1.Re8!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 8
- REMOVED MATES = 0
- Sets
- Q(a);N_GUARD::R(A)
- R(h);XP(D)::S(B),XR(h)
- R(h);OGATE,P_SPINR(h),XP(G)::QAR(F),XR(h)
- R(h);N_GUARD::R1(E),XR(h)
- R(h);CHECK,OGATE::QAR(F)+P(G),XR(h)
- R(h);N_GUARD::R1(E)
- P(d);OGATE::QAR(F)
- P(g);N_GUARD::S(B)
- Tries
- Try
- B(H);XP(g)
- Threat
- S(B)
- Vars
- R(h);CHECK,OGATE::QAR(F)+P(G),XR(h)
- R(h);N_GUARD::R1(E),XR(h)
- P(f);::S(B),XP(f)
- Refutation
- Q(a);XR(E)
- Try
- Q(F);
- Threat
- DUALS(3)
- Vars
- S(k);N_GUARD::QAB1(F),XS(k)
- Refutation
- R(h);CHECK
- Try
- Q(F);
- Threat
- DUALS(2)
- Vars
- Q(a);XR(E)::QAR2(F)
- Refutation
- R(h);CHECK
- Try
- Q(F);
- Threat
- DUALS(3)
- Vars
- S(k);N_GUARD::QAB1(F),XS(k)
- Refutation
- R(h);CHECK
- Try
- Q(F);
- Threat
- QAR2(F)
- Vars
- R(h);N_GUARD::R1(E)
- Refutation
- R(h);CHECK
- Try
- Actual
- R(E);
- Vars
- R(h);CHECK,OGATE::QAR(F)+P(G),XR(h)
- Q(a);N_GUARD,XR(A)::B(C)
- R(h);XP(D)::S(B),XR(h)
- R(h);OGATE,P_SPINR(h),XP(G)::QAR(F),XR(h)
- S(b);OGATE,XR(A)::QAB(F),XQ(a)
- P(f);OGATEB::B(C)
- Q(a);N_GUARD::R(A)
- Q(a);N_GUARD::B(C),XQ(a)
- Q(a);N_GUARD::B(C)
- R(h);N_GUARD::R1(E),XR(h)
- R(h);N_GUARD::R1(E)
- S(b);S_CUTQ(a)::B(C)
- S(b);OGATE::QAB(F),XQ(a)
- S(k);SBLOCK::R(E)
- P(d);OGATE::QAR(F)
- P(g);N_GUARD::S(B)
Developed and maintained by Brian Stephenson.
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