MESON Chess Problem Database
Problem Display
PID: 49089 (8/6nR/3p4/k2N2r1/1p4nQ/8/PN2B3/R3K3 w Q - 0 1)
Gruber, Bratoljub
Mat Plus, 1995
#2
8 + 6
SOLUTION
- SOUND
- Sets
- 1...Rxd5
- 2.Qd8#
- 1...Re5
- 2.Qd8#
- 1...Rf5
- 2.Qd8#
- 1...Rh5
- 2.Qd8#
- 1...Rg6
- 2.Qd8#
- 1...Sf2
- 2.Qxb4#
- 1...Sh2
- 2.Qxb4#
- 1...Se3
- 2.Qxb4#
- 1...Se5
- 2.Qxb4#
- 1...Sf6
- 2.Qxb4#
- 1...Sh6
- 2.Qxb4#
- 1...Sf5
- 2.Ra7#
- 1...Sh5
- 2.Ra7#
- 1...Se6
- 2.Ra7#
- 1...Se8
- 2.Ra7#
- 1...b3
- 2.axb3#
- 1...Rxd5
- Tries
- 1.Kd2?
- 1...Re5
- 2.Qd8#
- 1...Rf5
- 2.Qd8#
- 1...Rh5
- 2.Qd8#
- 1...Rg6
- 2.Qd8#
- 1...Sf2
- 2.Qxb4#
- 1...Sh2
- 2.Qxb4#
- 1...Se3
- 2.Qxb4#
- 1...Se5
- 2.Qxb4#
- 1...Sf6
- 2.Qxb4#
- 1...Sh6
- 2.Qxb4#
- 1...Sf5
- 2.Ra7#
- 1...Sh5
- 2.Ra7#
- 1...Se6
- 2.Ra7#
- 1...Se8
- 2.Ra7#
- 1...b3
- 2.axb3#
- 1...Rxd5+!
- 1...Re5
- 1.Bf1?
- 1...Rxd5
- 2.Qd8#
- 1...Rf5
- 2.Qd8#
- 1...Rh5
- 2.Qd8#
- 1...Rg6
- 2.Qd8#
- 1...Sf2
- 2.Qxb4#
- 1...Sh2
- 2.Qxb4#
- 1...Se3
- 2.Qxb4#
- 1...Se5
- 2.Qxb4#
- 1...Sf6
- 2.Qxb4#
- 1...Sh6
- 2.Qxb4#
- 1...Sf5
- 2.Ra7#
- 1...Sh5
- 2.Ra7#
- 1...Se6
- 2.Ra7#
- 1...Se8
- 2.Ra7#
- 1...b3
- 2.axb3#
- 1...Re5+!
- 1...Rxd5
- 1.Bd3?
- 1...Rxd5
- 2.Qd8#
- 1...Rf5
- 2.Qd8#
- 1...Rh5
- 2.Qd8#
- 1...Rg6
- 2.Qd8#
- 1...Sf2
- 2.Qxb4#
- 1...Sh2
- 2.Qxb4#
- 1...Se3
- 2.Qxb4#
- 1...Se5
- 2.Qxb4#
- 1...Sf6
- 2.Qxb4#
- 1...Sh6
- 2.Qxb4#
- 1...Sf5
- 2.Ra7#
- 1...Sh5
- 2.Ra7#
- 1...Se6
- 2.Ra7#
- 1...Se8
- 2.Ra7#
- 1...b3
- 2.axb3#
- 1...Re5+!
- 1...Rxd5
- 1.Rb1?
- 1...Rxd5
- 2.Qd8#
- 1...Re5
- 2.Qd8#
- 1...Rf5
- 2.Qd8#
- 1...Rh5
- 2.Qd8#
- 1...Rg6
- 2.Qd8#
- 1...Sf2
- 2.Qxb4#
- 1...Sh2
- 2.Qxb4#
- 1...Se3
- 2.Qxb4#
- 1...Se5
- 2.Qxb4#
- 1...Sf6
- 2.Qxb4#
- 1...Sh6
- 2.Qxb4#
- 1...Sf5
- 2.Ra7#
- 1...Sh5
- 2.Ra7#
- 1...Se6
- 2.Ra7#
- 1...Se8
- 2.Ra7#
- 1...b3!
- 1...Rxd5
- 1.Rc1?
- 1...Rxd5
- 2.Qd8#
- 1...Re5
- 2.Qd8#
- 1...Rf5
- 2.Qd8#
- 1...Rh5
- 2.Qd8#
- 1...Rg6
- 2.Qd8#
- 1...Sf2
- 2.Qxb4#
- 1...Sh2
- 2.Qxb4#
- 1...Se3
- 2.Qxb4#
- 1...Se5
- 2.Qxb4#
- 1...Sf6
- 2.Qxb4#
- 1...Sh6
- 2.Qxb4#
- 1...Sf5
- 2.Ra7#
- 1...Sh5
- 2.Ra7#
- 1...Se6
- 2.Ra7#
- 1...Se8
- 2.Ra7#
- 1...b3!
- 1...Rxd5
- 1.Rd1?
- 1...Rxd5
- 2.Qd8#
- 1...Re5
- 2.Qd8#
- 1...Rf5
- 2.Qd8#
- 1...Rh5
- 2.Qd8#
- 1...Rg6
- 2.Qd8#
- 1...Sf2
- 2.Qxb4#
- 1...Sh2
- 2.Qxb4#
- 1...Se3
- 2.Qxb4#
- 1...Se5
- 2.Qxb4#
- 1...Sf6
- 2.Qxb4#
- 1...Sh6
- 2.Qxb4#
- 1...Sf5
- 2.Ra7#
- 1...Sh5
- 2.Ra7#
- 1...Se6
- 2.Ra7#
- 1...Se8
- 2.Ra7#
- 1...b3!
- 1...Rxd5
- 1.Rxg7?
- threat
- 2.Ra7#
- 1...Rxd5
- 2.Qd8#
- 1...Rxg7!
- threat
- 1.Rh8?
- threat
- 2.Ra8#
- 1...Rxd5
- 2.Qd8#
- 1...Se8!
- threat
- 1.Qxg5?
- threat
- 2.Qd8#
- 1...Se6
- 2.Ra7#
- 1...Se8
- 2.Ra7#
- 1...Sf6!
- threat
- 1.a3?
- threat
- 2.axb4#
- 1...Rxd5
- 2.Qd8#
- 1...bxa3
- 2.Rxa3#
- 1...b3!
- threat
- 1.a4?
- 1...Rxd5
- 2.Qd8#
- 1...bxa4 ep
- 2.Rxa3#
- 1...Re5
- 2.Qd8#
- 1...Rf5
- 2.Qd8#
- 1...Rh5
- 2.Qd8#
- 1...Rg6
- 2.Qd8#
- 1...Sf2
- 2.Qxb4#
- 1...Sh2
- 2.Qxb4#
- 1...Se3
- 2.Qxb4#
- 1...Se5
- 2.Qxb4#
- 1...Sf6
- 2.Qxb4#
- 1...Sh6
- 2.Qxb4#
- 1...Sf5
- 2.Ra7#
- 1...Sh5
- 2.Ra7#
- 1...Se6
- 2.Ra7#
- 1...Se8
- 2.Ra7#
- 1...b3!
- 1...Rxd5
- 1.Kd2?
- Keys
- 1.0-0-0!
- 1...Rxd5
- 2.Qd8#
- 1...b3
- 2.Qe1#
- 1...Re5
- 2.Qd8#
- 1...Rf5
- 2.Qd8#
- 1...Rh5
- 2.Qd8#
- 1...Rg6
- 2.Qd8#
- 1...Sf2
- 2.Qxb4#
- 1...Sh2
- 2.Qxb4#
- 1...Se3
- 2.Qxb4#
- 1...Se5
- 2.Qxb4#
- 1...Sf6
- 2.Qxb4#
- 1...Sh6
- 2.Qxb4#
- 1...Sf5
- 2.Ra7#
- 1...Sh5
- 2.Ra7#
- 1...Se6
- 2.Ra7#
- 1...Se8
- 2.Ra7#
- 1...Rxd5
- 1.0-0-0!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 1
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- R(d);OGATE,XS(G)::QAB(F)
- R(d);OGATE,P_PINB(E)::QAB(F)
- R(d);OGATE::QAB(F)
- S(b);OGATE::QAB1(F),XP(a)
- S(f);OGATE::R(H)
- P(a);OGATE::R(A)+P(C),XP(a)
- Tries
- Try
- K(B);S_FLIGHT
- Vars
- R(d);OGATE::QAB(F)
- S(b);OGATE::QAB1(F),XP(a)
- S(f);OGATE::R(H)
- P(a);OGATE::R(A)+P(C),XP(a)
- Refutation
- R(d);CHECK,XS(G)
- Try
- B(E);
- Vars
- R(d);OGATE,XS(G)::QAB(F)
- R(d);OGATE::QAB(F)
- S(b);OGATE::QAB1(F),XP(a)
- S(f);OGATE::R(H)
- P(a);OGATE::R(A)+P(C),XP(a)
- Refutation
- R(d);CHECK
- Try
- B(E);
- Vars
- R(d);OGATE,XS(G)::QAB(F)
- R(d);OGATE::QAB(F)
- S(b);OGATE::QAB1(F),XP(a)
- S(f);OGATE::R(H)
- P(a);OGATE::R(A)+P(C),XP(a)
- Refutation
- R(d);CHECK
- Try
- R(A);
- Vars
- R(d);OGATE,XS(G)::QAB(F)
- R(d);OGATE,P_PINB(E)::QAB(F)
- R(d);OGATE::QAB(F)
- S(b);OGATE::QAB1(F),XP(a)
- S(f);OGATE::R(H)
- Refutation
- P(a);
- Try
- R(A);
- Vars
- R(d);OGATE,XS(G)::QAB(F)
- R(d);OGATE,P_PINB(E)::QAB(F)
- R(d);OGATE::QAB(F)
- S(b);OGATE::QAB1(F),XP(a)
- S(f);OGATE::R(H)
- Refutation
- P(a);
- Try
- R(A);
- Vars
- R(d);OGATE,XS(G)::QAB(F)
- R(d);OGATE,P_PINB(E)::QAB(F)
- R(d);OGATE::QAB(F)
- S(b);OGATE::QAB1(F),XP(a)
- S(f);OGATE::R(H)
- Refutation
- P(a);
- Try
- R(H);XS(f)
- Threat
- R(H)
- Vars
- R(d);OGATE,XS(G)::QAB(F)
- Refutation
- R(d);XR(H)
- Try
- R(H);
- Threat
- R(H)
- Vars
- R(d);OGATE,XS(G)::QAB(F)
- Refutation
- S(f);
- Try
- Q(F);XR(d)
- Threat
- QAB(F)
- Vars
- S(f);OGATE::R(H)
- Refutation
- S(b);
- Try
- P(C);
- Threat
- R(A)+P(C)DCHECK,XP(a)
- Vars
- R(d);OGATE,XS(G)::QAB(F)
- P(a);OGATE,P_SPINP(a),XP(C)::R(A),XP(a)
- Refutation
- P(a);
- Try
- P(C);
- Vars
- R(d);OGATE,XS(G)::QAB(F)
- P(a);EP,OGATEB,P_SPINP(a),XP(C)::R(A),XP(a)
- R(d);OGATE,P_PINB(E)::QAB(F)
- R(d);OGATE::QAB(F)
- S(b);OGATE::QAB1(F),XP(a)
- S(f);OGATE::R(H)
- Refutation
- P(a);
- Try
- Actual
- K(B);0-0-0
- Vars
- R(d);OGATE,XS(G)::QAB(F)
- P(a);OGATEB::QAB(F)
- R(d);OGATE::QAB(F)
- S(b);OGATE::QAB1(F),XP(a)
- S(f);OGATE::R(H)
Developed and maintained by Brian Stephenson.
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