MESON Chess Problem Database
Problem Display
PID: 6471 (8/1p5p/pP4pP/K5Q1/2N5/B7/PRPNp3/2kbb3 w - - 0 1)
Schiffmann, Israel Abraham
2nd HM., BCPS 004. Ty., 1927
#2
10 + 8
| 56 | The Problemist | 1928 |
| 1397 | Faszinierendes Schachproblem | 1963 |
SOLUTION
- SOUND
- Sets
- 1...Bxc2
- 2.Rb1#
- 1...Bxd2+
- 2.Qxd2#
- 1...Bf2
- 2.Sb3#
- 1...Bg3
- 2.Sb3#
- 1...Bh4
- 2.Sb3#
- 1...Bxc2
- Tries
- 1.Ka4?
- threat
- 2.Sb3#
- 1...Bxd2
- 2.Qxd2#
- 1...Bxc2+!
- threat
- 1.Kb4?
- 1...Bxd2+
- 2.Qxd2#
- 1...Bxc2
- 2.Rb1#
- 1...Bf2
- 2.Sb3#
- 1...Bg3
- 2.Sb3#
- 1...Bh4
- 2.Sb3#
- 1...a5+!
- 1...Bxd2+
- 1.Se5?
- threat
- 2.Sd3#
- 1...Bxc2
- 2.Rb1#
- 1...Bxd2+!
- threat
- 1.Sd6?
- 1...Bxc2
- 2.Rb1#
- 1...Bf2
- 2.Sb3#
- 1...Bg3
- 2.Sb3#
- 1...Bh4
- 2.Sb3#
- 1...Bxd2+!
- 1...Bxc2
- 1.Bb4?
- threat
- 2.Sb3#
- 1...Bxd2
- 2.Bxd2#
- 2.Qxd2#
- 1...Bxc2!
- threat
- 1.Bc5?
- 1...Bxd2+
- 2.Qxd2#
- 1...Bf2
- 2.Sb3#
- 1...Bg3
- 2.Sb3#
- 1...Bh4
- 2.Sb3#
- 1...Bxc2!
- 1...Bxd2+
- 1.Bd6?
- 1...Bxd2+
- 2.Qxd2#
- 1...Bf2
- 2.Sb3#
- 1...Bg3
- 2.Sb3#
- 1...Bh4
- 2.Sb3#
- 1...Bxc2!
- 1...Bxd2+
- 1.Be7?
- 1...Bxd2+
- 2.Qxd2#
- 1...Bf2
- 2.Sb3#
- 1...Bg3
- 2.Sb3#
- 1...Bh4
- 2.Sb3#
- 1...Bxc2!
- 1...Bxd2+
- 1.Bf8?
- 1...Bxd2+
- 2.Qxd2#
- 1...Bf2
- 2.Sb3#
- 1...Bg3
- 2.Sb3#
- 1...Bh4
- 2.Sb3#
- 1...Bxc2!
- 1...Bxd2+
- 1.Qe3?
- 1...Bxd2+
- 2.Qxd2#
- 1...Bxc2
- 2.Rb1#
- 1...Bf2
- 2.Sb3#
- 1...Bg3
- 2.Sb1#
- 2.Sf1#
- 2.Sb3#
- 2.Sf3#
- 2.Se4#
- 1...Bh4
- 2.Sb1#
- 2.Sf1#
- 2.Sb3#
- 2.Sf3#
- 2.Se4#
- 1...g5!
- 1...Bxd2+
- 1.Qf4?
- 1...Bxd2+
- 2.Qxd2#
- 1...Bxc2
- 2.Rb1#
- 1...Bf2
- 2.Sb3#
- 1...Bg3
- 2.Sb3#
- 1...Bh4
- 2.Sb1#
- 2.Sf1#
- 2.Sb3#
- 2.Sf3#
- 2.Se4#
- 1...g5!
- 1...Bxd2+
- 1.Qd8?
- 1...Bxd2+
- 2.Qxd2#
- 1...Bxc2
- 2.Rb1#
- 1...Bf2
- 2.Sb3#
- 1...Bg3
- 2.Sb3#
- 1...Bh4
- 2.Sb3#
- 1...g5!
- 1...Bxd2+
- 1.Qd5?
- 1...Bxd2+
- 2.Qxd2#
- 1...Bxc2
- 2.Rb1#
- 1...Bf2
- 2.Sb3#
- 1...Bg3
- 2.Sb3#
- 1...Bh4
- 2.Sb3#
- 1...g5!
- 1...Bxd2+
- 1.Qf5?
- threat
- 2.Rb1#
- 2.Rb3#
- 2.Rb4#
- 2.Rb5#
- 1...Bxd2+
- 2.Rb4#
- 1...Bxc2
- 2.Rb1#
- 2.Qxc2#
- 1...gxf5!
- threat
- 1.Qxg6?
- threat
- 2.Rb1#
- 2.Rb3#
- 2.Rb4#
- 2.Rb5#
- 1...Bxd2+
- 2.Rb4#
- 1...Bxc2
- 2.Rb1#
- 2.Qxc2#
- 1...hxg6!
- threat
- 1.Ka4?
- Keys
- 1.Se3!
- 1...Bxd2+
- 2.Rb4#
- 1...Kxd2
- 2.Sd5#
- 1...Bxc2
- 2.Rxc2#
- 1...Bf2
- 2.Sb3#
- 1...Bg3
- 2.Sb3#
- 1...Bh4
- 2.Sb3#
- 1...Bxd2+
- 1.Se3!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 2
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- B(b);SBLOCK,XP(C)::B(E)+R(B),DCHECK
- B(c);CHECK,OGATE,P_SPINB(c),XS(D)::QAB1(H),XB(c)
- B(c);N_PINS(D)::QAB(H)+S(D),DCHECK
- Tries
- Try
- K(G);N_SPINS(D),P-FLIGHT,P_SPINP(C)
- Threat
- QAB(H)+S(D),DCHECK
- Vars
- B(c);OGATE,P_SPINB(c),XS(D)::QAB1(H),XB(c)
- Refutation
- B(b);CHECK,XP(C)
- Try
- K(G);S_FLIGHT
- Vars
- B(c);CHECK,OGATE,P_SPINB(c),XS(D)::QAB1(H),XB(c)
- B(b);SBLOCK,XP(C)::B(E)+R(B),DCHECK
- B(c);N_PINS(D)::QAB(H)+S(D),DCHECK
- Refutation
- P(e);CHECK
- Try
- S(F);
- Threat
- S(F)
- Vars
- B(b);SBLOCK,XP(C)::B(E)+R(B),DCHECK
- Refutation
- B(c);CHECK,P_SPINB(c),XS(D)
- Try
- S(F);
- Vars
- B(b);SBLOCK,XP(C)::B(E)+R(B),DCHECK
- B(c);N_PINS(D)::QAB(H)+S(D),DCHECK
- Refutation
- B(c);CHECK,P_SPINB(c),XS(D)
- Try
- B(E);N_SPINS(D)
- Threat
- QAB(H)+S(D),DCHECK
- Refutation
- B(b);XP(C)
- Try
- B(E);
- Vars
- B(c);CHECK,OGATE,P_SPINB(c),XS(D)::QAB1(H),XB(c)
- B(c);N_PINS(D)::QAB(H)+S(D),DCHECK
- Refutation
- B(b);XP(C)
- Try
- B(E);
- Vars
- B(c);CHECK,OGATE,P_SPINB(c),XS(D)::QAB1(H),XB(c)
- B(c);N_PINS(D)::QAB(H)+S(D),DCHECK
- Refutation
- B(b);XP(C)
- Try
- B(E);
- Vars
- B(c);CHECK,OGATE,P_SPINB(c),XS(D)::QAB1(H),XB(c)
- B(c);N_PINS(D)::QAB(H)+S(D),DCHECK
- Refutation
- B(b);XP(C)
- Try
- B(E);
- Vars
- B(c);CHECK,OGATE,P_SPINB(c),XS(D)::QAB1(H),XB(c)
- B(c);N_PINS(D)::QAB(H)+S(D),DCHECK
- Refutation
- B(b);XP(C)
- Try
- Q(H);
- Vars
- B(c);CHECK,OGATE,P_SPINB(c),XS(D)::QAB1(H),XB(c)
- B(b);SBLOCK,XP(C)::B(E)+R(B),DCHECK
- B(c);N_PINS(D)::QAB(H)+S(D),DCHECK
- Refutation
- P(f);
- Try
- Q(H);
- Vars
- B(c);CHECK,OGATE,P_SPINB(c),XS(D)::QAB1(H),XB(c)
- B(b);SBLOCK,XP(C)::B(E)+R(B),DCHECK
- B(c);N_PINS(D)::QAB(H)+S(D),DCHECK
- Refutation
- P(f);
- Try
- Q(H);
- Vars
- B(c);CHECK,OGATE,XS(D)::QAB1(H),XB(c)
- B(b);SBLOCK,XP(C)::B(E)+R(B),DCHECK
- B(c);N_PINS(D)::S(D)
- Refutation
- P(f);
- Try
- Q(H);
- Vars
- B(c);CHECK,OGATE,XS(D)::QAB1(H),XB(c)
- B(b);SBLOCK,XP(C)::B(E)+R(B),DCHECK
- B(c);N_PINS(D)::S(D)
- Refutation
- P(f);
- Try
- Q(H);
- Threat
- DUALS(4)
- Vars
- B(c);CHECK,XS(D)::B(E)+R(B)
- Refutation
- P(f);XQ(H)
- Try
- Q(H);XP(f)
- Threat
- DUALS(4)
- Vars
- B(c);CHECK,XS(D)::B(E)+R(B)
- Refutation
- P(h);XQ(H)
- Try
- Actual
- S(F);
- Vars
- B(c);CHECK,SBLOCK,XS(D)::B(E)+R(B)
- K(a);S_FLIGHT,XS(D)::QAB(H)+S(F)
- B(b);OGATE,XP(C)::B(E)+R(B),DCHECK,XB(b)
- B(c);N_PINS(D)::S(D)
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