MESON Chess Problem Database
Problem Display
PID: 66600 (4n3/1Q1NN2p/p1K2pbP/Pp3p2/n3kp2/2p2p1B/5P2/B2R4 w - - 0 1)
Neumann, Itzhak
Match: Israel - Netherlands, 1961
#2
10 + 12
| 5828 | My Selected Chess Problems (Neumann) | 1968 |
SOLUTION
- SOUND
- Sets
- 1...Bh5
- 2.Bxf5#
- 1...Bf7
- 2.Bxf5#
- 1...Sb2
- 2.Kc5#
- 2.Kb6#
- 1...Sc5
- 2.Kxc5#
- 1...Sb6
- 2.Kxb6#
- 1...Sd6
- 2.Kxd6#
- 1...Sc7
- 2.Kxc7#
- 1...Sg7
- 2.Kd6#
- 2.Kc7#
- 1...c2
- 2.Rd4#
- 1...b4
- 2.Qxb4#
- 1...Bh5
- Tries
- 1.Sc5+?
- 1...Ke5
- 2.Rd5#
- 1...Sxc5!
- 1...Ke5
- 1.Sxg6?
- 1...Sb2
- 2.Kc5#
- 2.Kb6#
- 2.Sc5#
- 1...Sc5
- 2.Kxc5#
- 2.Sxc5#
- 1...Sb6
- 2.Kxb6#
- 2.Sc5#
- 1...Sd6
- 2.Kxd6#
- 2.Sxf6#
- 1...Sc7
- 2.Kxc7#
- 2.Sxf6#
- 1...Sg7
- 2.Kd6#
- 2.Kc7#
- 2.Sxf6#
- 1...c2
- 2.Rd4#
- 1...b4
- 2.Qxb4#
- 1...hxg6!
- 1...Sb2
- 1.Bb2?
- 1...Sxb2
- 2.Kc5#
- 2.Kb6#
- 1...Bh5
- 2.Bxf5#
- 1...Bf7
- 2.Bxf5#
- 1...Sc5
- 2.Kxc5#
- 1...Sb6
- 2.Kxb6#
- 1...Sd6
- 2.Kxd6#
- 1...Sc7
- 2.Kxc7#
- 1...Sg7
- 2.Kd6#
- 2.Kc7#
- 1...c2
- 2.Rd4#
- 1...b4
- 2.Qxb4#
- 1...cxb2!
- 1...Sxb2
- 1.Bg4?
- 1...Bh5
- 2.Bxf5#
- 1...Bf7
- 2.Bxf5#
- 1...Sb2
- 2.Kc5#
- 2.Kb6#
- 1...Sc5
- 2.Kxc5#
- 1...Sb6
- 2.Kxb6#
- 1...Sd6
- 2.Kxd6#
- 1...Sc7
- 2.Kxc7#
- 1...Sg7
- 2.Kd6#
- 2.Kc7#
- 1...c2
- 2.Rd4#
- 1...b4
- 2.Qxb4#
- 1...fxg4!
- 1...Bh5
- 1.Rd2?
- 1...Bh5
- 2.Bxf5#
- 1...Bf7
- 2.Bxf5#
- 1...Sb2
- 2.Kc5#
- 2.Kb6#
- 1...Sc5
- 2.Kxc5#
- 1...Sb6
- 2.Kxb6#
- 1...Sd6
- 2.Kxd6#
- 1...Sc7
- 2.Kxc7#
- 1...Sg7
- 2.Kd6#
- 2.Kc7#
- 1...c2
- 2.Rd4#
- 1...b4
- 2.Qxb4#
- 1...cxd2!
- 1...Bh5
- 1.Rd6?
- 1...Bh5
- 2.Bxf5#
- 1...Bf7
- 2.Bxf5#
- 1...Sb2
- 2.Kc5#
- 2.Kb6#
- 1...Sc5
- 2.Kxc5#
- 1...Sb6
- 2.Kxb6#
- 1...Sc7
- 2.Kxc7#
- 1...Sg7
- 2.Kc7#
- 1...c2
- 2.Rd4#
- 1...b4
- 2.Qxb4#
- 1...Sxd6!
- 1...Bh5
- 1.Qa8?
- 1...Bh5
- 2.Bxf5#
- 1...Bf7
- 2.Bxf5#
- 1...Sb2
- 2.Kc5#
- 2.Kb6#
- 1...Sc5
- 2.Kxc5#
- 1...Sb6
- 2.Kxb6#
- 1...Sd6
- 2.Kxd6#
- 1...Sc7
- 2.Kxc7#
- 1...Sg7
- 2.Kd6#
- 2.Kc7#
- 1...c2
- 2.Rd4#
- 1...b4!
- 1...Bh5
- 1.Qxb5?
- threat
- 2.Qd3#
- 2.Qxa4#
- 2.Qc4#
- 2.Qb4#
- 2.Qd5#
- 1...Bf7
- 2.Bxf5#
- 2.Qd3#
- 2.Qxf5#
- 1...Sb2
- 2.Qd5#
- 1...Sc5
- 2.Qc4#
- 2.Qb4#
- 1...Sb6
- 2.Qd3#
- 1...Sd6
- 2.Sxf6#
- 2.Qd3#
- 2.Qd5#
- 1...Sc7
- 2.Sxf6#
- 2.Qd3#
- 2.Qxa4#
- 2.Qc4#
- 2.Qb4#
- 1...axb5!
- threat
- 1.Sc5+?
- Keys
- 1.Rd5!
- 1...Bh5
- 2.Bxf5#
- 1...Bf7
- 2.Bxf5#
- 1...Sb2
- 2.Sc5#
- 1...Sc5
- 2.Sxc5#
- 1...Sb6
- 2.Sc5#
- 1...Sd6
- 2.Sxf6#
- 1...Sc7
- 2.Sxf6#
- 1...Sg7
- 2.Sxf6#
- 1...c2
- 2.Rd4#
- 1...b4
- 2.Qxb4#
- 1...Bh5
- 1.Rd5!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 4
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- B(j);N_GUARD::B(D),XP(g)
- S(c);::QAB(H)+K(F),XS(c)
- S(l);::QAB(H)+K(F),XS(l)
- P(a);::R1(B)
- P(f);OGATE::QAR(H),XP(f)
- Tries
- Try
- S(I);CHECK
- Vars
- K(d);P-FLIGHT,P_SPINP(a)::R1(B)
- Refutation
- S(c);XS(I)
- Try
- S(J);XB(j)
- Vars
- P(a);::R1(B)
- P(f);OGATE::QAR(H),XP(f)
- Refutation
- P(k);XS(J)
- Try
- B(A);
- Vars
- B(j);N_GUARD::B(D),XP(g)
- S(c);::QAB(H)+K(F),XS(c)
- S(l);::QAB(H)+K(F),XS(l)
- P(a);::R1(B)
- P(f);OGATE::QAR(H),XP(f)
- Refutation
- P(a);XB(A)
- Try
- B(D);
- Vars
- B(j);N_GUARD::B(D),XP(g)
- S(c);::QAB(H)+K(F),XS(c)
- S(l);::QAB(H)+K(F),XS(l)
- P(a);::R1(B)
- P(f);OGATE::QAR(H),XP(f)
- Refutation
- P(g);XB(D)
- Try
- R(B);
- Vars
- B(j);N_GUARD::B(D),XP(g)
- S(c);::QAB(H)+K(F),XS(c)
- S(l);::QAB(H)+K(F),XS(l)
- P(a);::R1(B)
- P(f);OGATE::QAR(H),XP(f)
- Refutation
- P(a);XR(B)
- Try
- R(B);
- Vars
- B(j);N_GUARD::B(D),XP(g)
- S(c);::QAB(H)+K(F),XS(c)
- S(l);::QAB(H)+K(F),XS(l)
- S(l);::QAB(H)+K(F)
- P(a);::R1(B)
- P(f);OGATE::QAR(H),XP(f)
- Refutation
- S(l);XR(B)
- Try
- Q(H);
- Vars
- B(j);N_GUARD::B(D),XP(g)
- S(c);::QAB(H)+K(F),XS(c)
- S(l);::QAB(H)+K(F),XS(l)
- P(a);::R1(B)
- Refutation
- P(f);
- Try
- Q(H);XP(f)
- Threat
- DUALS(5)
- Vars
- S(c);::QAB1(H)
- Refutation
- P(h);XQ(H)
- Try
- Actual
- R(B);
- Vars
- B(j);N_GUARD::B(D),XP(g)
- S(c);N_GUARD::S(I)
- S(c);N_GUARD::S(I),XS(c)
- S(l);N_GUARD::S(I),XP(i)
- P(a);::R1(B)
- P(f);OGATE::QAR(H),XP(f)
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