MESON Chess Problem Database
Problem Display
PID: 2932 (1N5Q/3R1P1p/4k2p/2p2r1B/2K2pP1/5p2/5P2/8 w - - 0 1)
Williams, Philip Hamilton
City of London Chess Club Annual Report, 1908
#2
8 + 7
| 2681 | All Change Here! | 1919 |
| 15351 | SCPF/BCPS Black Books | 2015 |
SOLUTION
- SOUND
- Sets
- 1...Rd5
- 2.f8S#
- 1...Re5
- 2.f8S#
- 1...Rg5
- 2.f8S#
- 1...Rxh5
- 2.f8S#
- 1...Rf6
- 2.Qe8#
- 1...Rxf7
- 2.Bxf7#
- 1...Rd5
- Tries
- 1.Kb3?
- 1...Rxh5
- 2.f8S#
- 1...Rxf7
- 2.Bxf7#
- 1...Rf6
- 2.Qe8#
- 1...Rd5
- 2.f8S#
- 1...Re5
- 2.f8S#
- 1...Rg5
- 2.f8S#
- 1...c4+!
- 1...Rxh5
- 1.Kc3?
- 1...Rxh5
- 2.f8S#
- 1...Rxf7
- 2.Bxf7#
- 1...Rf6
- 2.Qe8#
- 1...Rd5
- 2.f8S#
- 1...Re5
- 2.f8S#
- 1...Rg5
- 2.f8S#
- 1...c4!
- 1...Rxh5
- 1.Kb5?
- 1...Rxh5
- 2.f8S#
- 1...Rxf7
- 2.Bxf7#
- 1...Rf6
- 2.Qe8#
- 1...Rd5
- 2.f8S#
- 1...Re5
- 2.f8S#
- 1...Rg5
- 2.f8S#
- 1...c4+!
- 1...Rxh5
- 1.Sa6?
- 1...Rxh5
- 2.f8S#
- 1...Rxf7
- 2.Sxc5#
- 1...Rf6
- 2.Qe8#
- 1...Rd5
- 2.f8S#
- 1...Re5
- 2.f8S#
- 1...Rg5
- 2.f8S#
- 1...Kxd7!
- 1...Rxh5
- 1.Bg6?
- threat
- 2.Bxf5#
- 2.gxf5#
- 1...Rxf7
- 2.Bxf7#
- 1...Rf6
- 2.Qe8#
- 1...Rd5
- 2.f8S#
- 1...Re5
- 2.f8S#
- 1...Rg5
- 2.f8S#
- 1...Rh5
- 2.f8S#
- 1...hxg6!
- threat
- 1.Rd6+?
- 1...Ke7
- 2.Qd8#
- 1...Kxd6!
- 1...Ke7
- 1.Re7+?
- 1...Kd6
- 2.Qd8#
- 1...Kxe7!
- 1...Kd6
- 1.Qb2?
- 1...Rxh5
- 2.f8S#
- 1...Rxf7
- 2.Bxf7#
- 1...Re5
- 2.Qb6#
- 1...Rd5
- 2.f8S#
- 1...Rg5
- 2.f8S#
- 1...Rf6!
- 1...Rxh5
- 1.Qc3?
- 1...Rxh5
- 2.f8S#
- 1...Rxf7
- 2.Bxf7#
- 1...Rd5
- 2.f8S#
- 1...Rg5
- 2.f8S#
- 1...Rf6
- 2.Qe1#
- 1...Re5!
- 1...Rxh5
- 1.Qd4?
- threat
- 2.Qd6#
- 1...Rd5
- 2.f8S#
- 1...cxd4!
- threat
- 1.Qg7?
- 1...Rxh5
- 2.f8S#
- 1...Rxf7
- 2.Bxf7#
- 1...Rd5
- 2.f8S#
- 1...Re5
- 2.Qxh6#
- 2.f8S#
- 1...Rg5
- 2.f8S#
- 1...Rf6!
- 1...Rxh5
- 1.Qd8?
- threat
- 2.Qe7#
- 1...Ke5
- 2.Qe7#
- 1...Rxf7!
- threat
- 1.Qf8?
- threat
- 2.Qd6#
- 2.Qe7#
- 1...Ke5
- 2.Qe7#
- 1...Rxf7
- 2.Qd6#
- 1...Rd5
- 2.Qe7#
- 1...Kf6!
- threat
- 1.f8Q?
- threat
- 2.Rd6#
- 2.Qd6#
- 2.Qe7#
- 2.Qxf5#
- 2.Qe8#
- 2.gxf5#
- 1...Rxh5
- 2.Rd6#
- 2.Qd6#
- 2.Qe7#
- 2.Qhf6#
- 2.Qff6#
- 2.Qf7#
- 2.Qe8#
- 2.Qfg8#
- 1...Rf6
- 2.Qd6#
- 2.Qe7#
- 2.Qhxf6#
- 2.Qfxf6#
- 2.Qe8#
- 1...Rd5
- 2.Bf7#
- 2.Qxh6#
- 2.Qe7#
- 2.Qhf6#
- 2.Qff6#
- 2.Qf7#
- 2.Qe8#
- 2.Qfg8#
- 1...Re5
- 2.Bf7#
- 2.Rd6#
- 2.Qd6#
- 2.Qxh6#
- 2.Qe7#
- 2.Qhf6#
- 2.Qff6#
- 2.Qf7#
- 2.Qe8#
- 2.Qfg8#
- 2.Qhg8#
- 1...Rg5
- 2.Bf7#
- 2.Rd6#
- 2.Qd6#
- 2.Qe7#
- 2.Qhf6#
- 2.Qff6#
- 2.Qf7#
- 2.Qe8#
- 1...Rf7
- 2.Bxf7#
- 2.Rd6#
- 2.Qd6#
- 2.Qxf7#
- 1...Rxf8!
- threat
- 1.f8R?
- threat
- 2.Re8#
- 2.gxf5#
- 1...Rxh5
- 2.Re8#
- 2.Qf6#
- 1...Rf6
- 2.Re8#
- 2.Qxf6#
- 1...Rd5
- 2.Bf7#
- 2.Re8#
- 2.Qf6#
- 1...Re5
- 2.Bf7#
- 2.Rf6#
- 2.Re8#
- 2.Qf6#
- 2.Qg8#
- 1...Rg5
- 2.Bf7#
- 2.Re8#
- 2.Qf6#
- 1...Rf7
- 2.Bxf7#
- 1...Rxf8!
- threat
- 1.Kb3?
- Keys
- 1.Qa1!
- 1...Rxh5
- 2.f8S#
- 1...Rxf7
- 2.Bxf7#
- 1...Re5
- 2.Qa6#
- 1...Rd5
- 2.f8S#
- 1...Rg5
- 2.f8S#
- 1...Rf6
- 2.Qe1#
- 1...Rxh5
- 1.Qa1!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 2
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- R(d);N_GUARD::P=S
- R(d);N_GUARD,XB(D)::P=S
- R(d);SBLOCK::QAR2(H)
- R(d);OGATE,XP(F)::B(D),XR(d)
- Tries
- Try
- K(B);S_FLIGHT
- Vars
- R(d);N_GUARD,XB(D)::P=S
- R(d);OGATE,XP(F)::B(D),XR(d)
- R(d);SBLOCK::QAR2(H)
- R(d);N_GUARD::P=S
- Refutation
- P(c);CHECK
- Try
- K(B);P-FLIGHT
- Vars
- R(d);N_GUARD,XB(D)::P=S
- R(d);OGATE,XP(F)::B(D),XR(d)
- R(d);SBLOCK::QAR2(H)
- R(d);N_GUARD::P=S
- Refutation
- P(c);
- Try
- K(B);S_FLIGHT
- Vars
- R(d);N_GUARD,XB(D)::P=S
- R(d);OGATE,XP(F)::B(D),XR(d)
- R(d);SBLOCK::QAR2(H)
- R(d);N_GUARD::P=S
- Refutation
- P(c);CHECK
- Try
- S(G);
- Vars
- R(d);N_GUARD,XB(D)::P=S
- R(d);N_GUARD,XP(F)::S(G),XP(c)
- R(d);SBLOCK::QAR2(H)
- R(d);N_GUARD::P=S
- Refutation
- K(e);S_FLIGHT,XR(E)
- Try
- B(D);
- Threat
- DUALS(2)
- Vars
- R(d);OGATE,XP(F)::B(D),XR(d)
- R(d);SBLOCK::QAR2(H)
- R(d);N_GUARD::P=S
- Refutation
- P(g);XB(D)
- Try
- R(E);CHECK
- Vars
- K(e);P-FLIGHT::QAB1(H)
- Refutation
- K(e);P-FLIGHT,XR(E)
- Try
- R(E);CHECK
- Vars
- K(e);P-FLIGHT::QAR2(H)
- Refutation
- K(e);P-FLIGHT,XR(E)
- Try
- Q(H);
- Vars
- R(d);N_GUARD,XB(D)::P=S
- R(d);OGATE,XP(F)::B(D),XR(d)
- R(d);SBLOCK::QAR(H)
- R(d);N_GUARD::P=S
- Refutation
- R(d);
- Try
- Q(H);
- Vars
- R(d);N_GUARD,XB(D)::P=S
- R(d);OGATE,XP(F)::B(D),XR(d)
- R(d);N_GUARD::P=S
- R(d);N_GUARD,SBLOCK::QAR(H)
- Refutation
- R(d);
- Try
- Q(H);
- Threat
- QAR1(H)
- Vars
- R(d);N_GUARD::P=S
- Refutation
- P(c);XQ(H)
- Try
- Q(H);
- Vars
- R(d);N_GUARD,XB(D)::P=S
- R(d);OGATE,XP(F)::B(D),XR(d)
- R(d);N_GUARD::P=S
- Refutation
- R(d);
- Try
- Q(H);
- Threat
- QAR1(H)
- Vars
- K(e);P-FLIGHT::QAR2(H)
- Refutation
- R(d);XP(F)
- Try
- Q(H);
- Threat
- DUALS(2)
- Vars
- K(e);P-FLIGHT::QAR2(H)
- R(d);XP(F)::QAR1(H)
- R(d);::QAR1(H)
- Refutation
- K(e);P-FLIGHT
- Try
- P(F);
- Threat
- DUALS(6)
- Refutation
- R(d);XQ(F)
- Try
- P(F);
- Threat
- DUALS(2)
- Vars
- R(d);N_GUARD::B(D),XR(d)
- Refutation
- R(d);XR(F)
- Try
- Actual
- Q(H);
- Vars
- R(d);N_GUARD,XB(D)::P=S
- R(d);OGATE,XP(F)::B(D),XR(d)
- R(d);SBLOCK::QAR(H)
- R(d);N_GUARD::P=S
- R(d);N_GUARD,SBLOCK::QAR(H)
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