MESON Chess Problem Database
Problem Display
PID: 68085 (2n2r2/3R4/5k1P/1p1P1r1P/2N5/4Q3/1R3N1b/BB3K2 w - - 0 1)
Gamage, Frederick
British Chess Magazine, 1938
#2
11 + 6
| 5397 | Frederick Gamage (Prcic) | 2004 |
SOLUTION
- SOUND
- Sets
- 1...Rxf2+
- 2.Rxf2#
- 1...Rf4
- 2.Qe5#
- 1...Rxd5
- 2.Sg4#
- 1...Re5
- 2.Sg4#
- 1...Rg5
- 2.Qe6#
- 1...Rxh5
- 2.Sg4#
- 1...Bf4
- 2.Se4#
- 1...Sb6
- 2.Qe7#
- 1...Sd6
- 2.Qe7#
- 1...Sa7
- 2.Qe7#
- 1...Se7
- 2.Qxe7#
- 1...bxc4
- 2.Rb6#
- 1...Rxf2+
- Tries
- 1.Ke1?
- threat
- 2.Se4#
- 2.Sg4#
- 1...Rxf2
- 2.Rxf2#
- 1...Rxd5
- 2.Sg4#
- 1...Rxh5
- 2.Sg4#
- 1...bxc4
- 2.Sg4#
- 2.Rb6#
- 1...Rf4
- 2.Qe5#
- 1...Bf4
- 2.Se4#
- 1...Se7
- 2.Qxe7#
- 1...Rf3
- 2.Sg4#
- 1...Re5
- 2.Sg4#
- 1...Rg5
- 2.Qe6#
- 1...Re8
- 2.Sg4#
- 1...Rg8
- 2.Se4#
- 1...Sd6
- 2.Sg4#
- 2.Qe7#
- 1...Bg3!
- threat
- 1.Ke2?
- threat
- 2.Se4#
- 2.Sg4#
- 1...Rxd5
- 2.Sg4#
- 1...Rxh5
- 2.Sg4#
- 1...bxc4
- 2.Sg4#
- 2.Rb6#
- 1...Rf4
- 2.Qe5#
- 1...Bf4
- 2.Se4#
- 1...Se7
- 2.Qxe7#
- 1...Rf3
- 2.Sg4#
- 1...Re5
- 2.Sg4#
- 1...Rg5
- 2.Qe6#
- 1...Re8
- 2.Sg4#
- 1...Rg8
- 2.Se4#
- 1...Sd6
- 2.Sg4#
- 2.Qe7#
- 1...Rxf2+!
- threat
- 1.Ra2+?
- 1...Re5
- 2.Sg4#
- 1...Be5!
- 1...Re5
- 1.Rd2+?
- 1...Re5
- 2.Sg4#
- 1...Be5!
- 1...Re5
- 1.Re2+?
- 1...Re5
- 2.Sg4#
- 1...Be5!
- 1...Re5
- 1.Rb3+?
- 1...Re5
- 2.Sg4#
- 1...Be5!
- 1...Re5
- 1.Rb4+?
- 1...Re5
- 2.Sg4#
- 1...Be5!
- 1...Re5
- 1.Rxb5+?
- 1...Re5
- 2.Sg4#
- 1...Be5!
- 1...Re5
- 1.Rf7+?
- 1...Kxf7
- 2.Qe6#
- 1...Rxf7!
- 1...Kxf7
- 1.Ke1?
- Keys
- 1.h7!
- threat
- 2.Qh6#
- 1...Rxf2+
- 2.Rxf2#
- 1...Rxh5
- 2.Sg4#
- 1...bxc4
- 2.Rb6#
- 1...Rf4
- 2.Qe5#
- 1...Bf4
- 2.Se4#
- 1...Se7
- 2.Qxe7#
- 1...Rg5
- 2.Qe6#
- 1...Rg8
- 2.hxg8S#
- threat
- 1.h7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 5
- Sets
- R(c);CHECK,OGATE,XS(E)::B(A)+R(D),DCHECK,XR(c)
- R(c);N_GUARD,S_CUTB(a)::QAB1(F)
- R(c);N_PINS(E),XP(H)::S(E)
- R(c);N_PINS(E)::S(E)
- R(c);N_PINS(E),SBLOCK::QAR1(F)
- R(c);N_PINS(E),XP(I)::S(E)
- B(a);N_PINS(E)::S(E)
- S(e);N_GUARD::QAB1(F)
- S(e);N_GUARD::QAB1(F),XS(e)
- P(b);OGATE,XS(G)::B(A)+R(D),DCHECK
- Tries
- Try
- K(C);N_SPINS(E),P-FLIGHT
- Threat
- DUALS(2)
- Vars
- R(c);OGATE,XS(E)::B(A)+R(D),DCHECK,XR(c)
- R(c);XP(H)::S(E)
- R(c);XP(I)::S(E)
- R(c);N_GUARD,S_CUTB(a)::QAB1(F)
- B(a);::S(E)
- S(e);N_GUARD::QAB1(F),XS(e)
- R(c);::S(E)
- R(c);P_PINQ(F)::S(E)
- R(c);SBLOCK::QAR1(F)
- R(f);P_PINQ(F)::S(E)
- R(f);::S(E)
- Refutation
- B(a);P_PINS(E)
- Try
- K(C);N_SPINS(E),S_FLIGHT
- Threat
- DUALS(2)
- Vars
- R(c);XP(H)::S(E)
- R(c);XP(I)::S(E)
- R(c);N_GUARD,S_CUTB(a)::QAB1(F)
- B(a);::S(E)
- S(e);N_GUARD::QAB1(F),XS(e)
- R(c);::S(E)
- R(c);P_PINQ(F)::S(E)
- R(c);SBLOCK::QAR1(F)
- R(f);P_PINQ(F)::S(E)
- R(f);::S(E)
- Refutation
- R(c);CHECK,XS(E)
- Try
- R(D);CHECK
- Vars
- R(c);N_PINS(E),P_SPINR(c)::S(E)
- Refutation
- B(a);P_SPINB(a)
- Try
- R(D);CHECK
- Vars
- R(c);N_PINS(E),P_SPINR(c)::S(E)
- Refutation
- B(a);P_SPINB(a)
- Try
- R(D);CHECK
- Vars
- R(c);N_PINS(E),P_SPINR(c)::S(E)
- Refutation
- B(a);P_SPINB(a)
- Try
- R(D);CHECK
- Vars
- R(c);N_PINS(E),P_SPINR(c)::S(E)
- Refutation
- B(a);P_SPINB(a)
- Try
- R(D);CHECK
- Vars
- R(c);N_PINS(E),P_SPINR(c)::S(E)
- Refutation
- B(a);P_SPINB(a)
- Try
- R(D);CHECK,XP(b)
- Vars
- R(c);N_PINS(E),P_SPINR(c)::S(E)
- Refutation
- B(a);P_SPINB(a)
- Try
- R(K);CHECK
- Vars
- K(d);P-FLIGHT,XR(K)::QAB1(F)
- Refutation
- R(f);XR(K)
- Try
- Actual
- P(J);
- Threat
- QAR2(F)
- Vars
- R(c);CHECK,OGATE,XS(E)::B(A)+R(D),DCHECK,XR(c)
- R(c);N_PINS(E),XP(I)::S(E)
- P(b);OGATE,XS(G)::B(A)+R(D),DCHECK
- R(c);N_GUARD,S_CUTB(a)::QAB1(F)
- B(a);N_PINS(E)::S(E)
- S(e);N_GUARD::QAB1(F),XS(e)
- R(c);N_PINS(E),SBLOCK::QAR1(F)
- R(f);OGATE::PXR(f)=S
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