MESON Chess Problem Database
Problem Display
PID: 664 (rn5K/kPR2PP1/1R6/8/1P6/8/5prp/5B1Q w - - 0 1)
Andrade, Barry Jack da Costa
Watney, Charles Gold
British Chess Magazine, 1923
#2
9 + 6
| 3098 | FIDE Album (1914-1944) (I) | 1971 |
| 133 | The Problemist Supplement | 2004 |
SOLUTION
- SOUND
- Sets
- 1...Kxb6
- 2.bxa8S#
- 1...Rg1
- 2.bxa8S#
- 1...Rg3
- 2.bxa8S#
- 1...Rg4
- 2.bxa8S#
- 1...Rg5
- 2.bxa8S#
- 1...Rg6
- 2.bxa8S#
- 1...Rxg7
- 2.bxa8S#
- 1...Sa6+
- 2.b8Q#
- 1...Sc6+
- 2.b8Q#
- 2.b8R#
- 1...Sd7+
- 2.b8Q#
- 2.b8R#
- 1...Kxb6
- Tries
- 1.Kh7?
- 1...Kxb6
- 2.bxa8S#
- 1...Sa6
- 2.b8Q#
- 1...Sc6
- 2.b8Q#
- 2.b8R#
- 1...Sd7
- 2.b8Q#
- 2.b8R#
- 1...Rg1
- 2.bxa8S#
- 1...Rg3
- 2.bxa8S#
- 1...Rg4
- 2.bxa8S#
- 1...Rg5
- 2.bxa8S#
- 1...Rg6
- 2.bxa8S#
- 1...Rxg7+!
- 1...Kxb6
- 1.Kg8?
- 1...Sa6+
- 2.b8Q#
- 1...Sc6+
- 2.b8Q#
- 2.b8R#
- 1...Sd7+
- 2.b8Q#
- 2.b8R#
- 1...Kxb6
- 2.bxa8S#
- 1...Rg1
- 2.bxa8S#
- 1...Rg3
- 2.bxa8S#
- 1...Rg4
- 2.bxa8S#
- 1...Rg5
- 2.bxa8S#
- 1...Rg6
- 2.bxa8S#
- 1...Rxg7+!
- 1...Sa6+
- 1.Bxg2?
- threat
- 2.bxa8S#
- 1...Sa6+
- 2.b8Q#
- 1...Sc6+
- 2.b8Q#
- 2.b8R#
- 1...Kxb6!
- threat
- 1.b5?
- 1...Sa6+
- 2.b8Q#
- 1...Sc6+
- 2.b8Q#
- 2.b8R#
- 1...Sd7+
- 2.b8Q#
- 2.b8R#
- 1...Rxg7
- 2.bxa8S#
- 1...Rg1
- 2.bxa8S#
- 1...Rg3
- 2.bxa8S#
- 1...Rg4
- 2.bxa8S#
- 1...Rg5
- 2.bxa8S#
- 1...Rg6
- 2.bxa8S#
- 1...Kxb6!
- 1...Sa6+
- 1.bxa8Q+?
- 1...Kxb6
- 2.Qb7#
- 2.Qa5#
- 2.Qa7#
- 2.Qxb8#
- 1...Kxa8!
- 1...Kxb6
- 1.f8Q?
- 1...Kxb6
- 2.Qc5#
- 2.bxa8S#
- 1...Rg1
- 2.bxa8S#
- 1...Rg3
- 2.bxa8S#
- 1...Rg4
- 2.bxa8S#
- 1...Rg5
- 2.bxa8S#
- 1...Rg6
- 2.bxa8S#
- 1...Sa6
- 2.Rxa6#
- 2.b8Q#
- 1...Sc6
- 2.Ra6#
- 2.bxa8S#
- 2.b8Q#
- 2.b8R#
- 1...Sd7
- 2.Ra6#
- 2.bxa8S#
- 2.b8Q#
- 2.b8R#
- 1...Rxg7!
- 1...Kxb6
- 1.f8S?
- 1...Kxb6
- 2.bxa8S#
- 1...Sa6
- 2.b8Q#
- 1...Sc6
- 2.b8Q#
- 2.b8R#
- 1...Sd7
- 2.b8Q#
- 2.b8R#
- 1...Rg1
- 2.bxa8S#
- 1...Rg3
- 2.bxa8S#
- 1...Rg4
- 2.bxa8S#
- 1...Rg5
- 2.bxa8S#
- 1...Rg6
- 2.bxa8S#
- 1...Rxg7!
- 1...Kxb6
- 1.f8B?
- 1...Kxb6
- 2.bxa8S#
- 1...Sa6
- 2.b8Q#
- 1...Sc6
- 2.b8Q#
- 2.b8R#
- 1...Sd7
- 2.b8Q#
- 2.b8R#
- 1...Rg1
- 2.bxa8S#
- 1...Rg3
- 2.bxa8S#
- 1...Rg4
- 2.bxa8S#
- 1...Rg5
- 2.bxa8S#
- 1...Rg6
- 2.bxa8S#
- 1...Rxg7!
- 1...Kxb6
- 1.f8R?
- 1...Kxb6
- 2.bxa8S#
- 1...Rg1
- 2.bxa8S#
- 1...Rg3
- 2.bxa8S#
- 1...Rg4
- 2.bxa8S#
- 1...Rg5
- 2.bxa8S#
- 1...Rg6
- 2.bxa8S#
- 1...Sa6
- 2.Rxa6#
- 2.b8Q#
- 1...Sc6
- 2.Ra6#
- 2.bxa8S#
- 2.b8Q#
- 2.b8R#
- 1...Sd7
- 2.Ra6#
- 2.bxa8S#
- 2.b8Q#
- 2.b8R#
- 1...Rxg7!
- 1...Kxb6
- 1.g8Q?
- 1...Kxb6
- 2.bxa8S#
- 1...Rg1
- 2.bxa8S#
- 1...Rg3
- 2.bxa8S#
- 1...Rg4
- 2.bxa8S#
- 1...Rg5
- 2.bxa8S#
- 1...Rg6
- 2.bxa8S#
- 1...Rg7
- 2.bxa8S#
- 1...Sa6
- 2.Rxa6#
- 2.b8Q#
- 1...Sc6
- 2.Ra6#
- 2.bxa8S#
- 2.b8Q#
- 2.b8R#
- 1...Sd7
- 2.Ra6#
- 2.bxa8S#
- 2.b8Q#
- 2.b8R#
- 1...Rxg8+!
- 1...Kxb6
- 1.g8S?
- 1...Kxb6
- 2.bxa8S#
- 1...Sa6
- 2.b8Q#
- 1...Sc6
- 2.b8Q#
- 2.b8R#
- 1...Sd7
- 2.b8Q#
- 2.b8R#
- 1...Rg1
- 2.bxa8S#
- 1...Rg3
- 2.bxa8S#
- 1...Rg4
- 2.bxa8S#
- 1...Rg5
- 2.bxa8S#
- 1...Rg6
- 2.bxa8S#
- 1...Rg7
- 2.bxa8S#
- 1...Rxg8+!
- 1...Kxb6
- 1.g8B?
- 1...Kxb6
- 2.bxa8S#
- 1...Sa6
- 2.b8Q#
- 1...Sc6
- 2.b8Q#
- 2.b8R#
- 1...Sd7
- 2.b8Q#
- 2.b8R#
- 1...Rg1
- 2.bxa8S#
- 1...Rg3
- 2.bxa8S#
- 1...Rg4
- 2.bxa8S#
- 1...Rg5
- 2.bxa8S#
- 1...Rg6
- 2.bxa8S#
- 1...Rg7
- 2.bxa8S#
- 1...Rxg8+!
- 1...Kxb6
- 1.g8R?
- 1...Kxb6
- 2.bxa8S#
- 1...Rg1
- 2.bxa8S#
- 1...Rg3
- 2.bxa8S#
- 1...Rg4
- 2.bxa8S#
- 1...Rg5
- 2.bxa8S#
- 1...Rg6
- 2.bxa8S#
- 1...Rg7
- 2.bxa8S#
- 1...Sa6
- 2.Rxa6#
- 2.b8Q#
- 1...Sc6
- 2.Ra6#
- 2.bxa8S#
- 2.b8Q#
- 2.b8R#
- 1...Sd7
- 2.Ra6#
- 2.bxa8S#
- 2.b8Q#
- 2.b8R#
- 1...Rxg8+!
- 1...Kxb6
- 1.Kh7?
- Keys
- 1.Rb5!
- 1...Sa6+
- 2.b8Q#
- 2.b8B#
- 1...Sc6+
- 2.b8S#
- 1...Sd7+
- 2.b8S#
- 1...Ka6
- 2.bxa8Q#
- 2.bxa8R#
- 1...Rxg7
- 2.bxa8Q#
- 2.bxa8R#
- 1...Rg1
- 2.bxa8Q#
- 2.bxa8R#
- 1...Rg3
- 2.bxa8Q#
- 2.bxa8R#
- 1...Rg4
- 2.bxa8Q#
- 2.bxa8R#
- 1...Rg5
- 2.bxa8Q#
- 2.bxa8R#
- 1...Rg6
- 2.bxa8Q#
- 2.bxa8R#
- 1...Sa6+
- 1.Rb5!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 8
- Sets
- K(d);S_FLIGHT,XR(D)::PXR(e)=S
- R(b);::PXR(e)=S
- R(b);XP(H)::PXR(e)=S
- S(f);CHECK,OGATE::P=Q
- Tries
- Try
- K(I);P-FLIGHT
- Vars
- K(d);S_FLIGHT,XR(D)::PXR(e)=S
- S(f);OGATE::P=Q
- R(b);::PXR(e)=S
- Refutation
- R(b);CHECK,XP(H)
- Try
- K(I);P-FLIGHT,P_SPINP(H)
- Vars
- S(f);CHECK,OGATE::P=Q
- K(d);S_FLIGHT,XR(D)::PXR(e)=S
- R(b);::PXR(e)=S
- Refutation
- R(b);CHECK,XP(H)
- Try
- B(A);XR(b)
- Threat
- PXR(e)=S
- Vars
- S(f);CHECK,OGATE::P=Q
- Refutation
- K(d);S_FLIGHT,XR(D)
- Try
- P(C);
- Vars
- S(f);CHECK,OGATE::P=Q
- R(b);XP(H)::PXR(e)=S
- R(b);::PXR(e)=S
- Refutation
- K(d);S_FLIGHT,XR(D)
- Try
- P(E);CHECK,XR(e)
- Refutation
- K(d);P-FLIGHT,P_SPINR(b),XQ(E)
- Try
- P(G);
- Vars
- R(b);::PXR(e)=S
- Refutation
- R(b);XP(H)
- Try
- P(G);
- Vars
- K(d);S_FLIGHT,XR(D)::PXR(e)=S
- S(f);OGATE,P_PINS(G)::P=Q
- R(b);::PXR(e)=S
- Refutation
- R(b);XP(H)
- Try
- P(G);
- Vars
- K(d);S_FLIGHT,XR(D)::PXR(e)=S
- S(f);OGATE,P_PINB(G)::P=Q
- R(b);::PXR(e)=S
- Refutation
- R(b);XP(H)
- Try
- P(G);
- Vars
- K(d);S_FLIGHT,XR(D)::PXR(e)=S
- R(b);::PXR(e)=S
- Refutation
- R(b);XP(H)
- Try
- P(H);
- Vars
- K(d);S_FLIGHT,XR(D)::PXR(e)=S
- R(b);::PXR(e)=S
- Refutation
- R(b);CHECK,XQ(H)
- Try
- P(H);
- Vars
- K(d);S_FLIGHT,XR(D)::PXR(e)=S
- S(f);OGATE,P_PINS(H)::P=Q
- R(b);::PXR(e)=S
- Refutation
- R(b);CHECK,XS(H)
- Try
- P(H);
- Vars
- K(d);S_FLIGHT,XR(D)::PXR(e)=S
- S(f);OGATE,P_PINB(H)::P=Q
- R(b);::PXR(e)=S
- Refutation
- R(b);CHECK,XB(H)
- Try
- P(H);
- Vars
- K(d);S_FLIGHT,XR(D)::PXR(e)=S
- R(b);::PXR(e)=S
- Refutation
- R(b);CHECK,XR(H)
- Try
- Actual
- R(D);
- Vars
- S(f);CHECK,OGATE,SBLOCK::P=Q
- S(f);CHECK,OGATE::P=S
- K(d);P-FLIGHT::PXR(e)=Q
- R(b);XP(H)::PXR(e)=Q
- R(b);::PXR(e)=Q
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