MESON Chess Problem Database
Problem Display
PID: 260797 (3Rb3/n1Nq1pp1/5PBp/5n1P/2Pk1K1Q/1P1NRP2/1P4p1/6B1 w - - 0 1)
Johner, Hans
Neue Zurcher Zeitung, 1940
#2
14 + 9
| 6490 | yacpdb | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Qd5
- 2.Rxd5#
- 1...Qd6+
- 2.Kxf5#
- 1...Qxd8
- 2.Kxf5#
- 1...Sxe3
- 2.Kg3#
- 2.Bxe3#
- 1...Sg3
- 2.Kxg3#
- 2.Re1#
- 2.Re2#
- 2.Re5#
- 2.Re6#
- 2.Re7#
- 2.Rexe8#
- 1...Sxh4
- 2.Re1#
- 2.Re2#
- 2.Re5#
- 2.Re6#
- 2.Re7#
- 2.Rexe8#
- 1...Sd6
- 2.Re1#
- 2.Re2#
- 2.Re5#
- 2.Re6#
- 2.Re7#
- 2.Rexe8#
- 1...Se7
- 2.Kg3#
- 2.Re1#
- 2.Re2#
- 2.Re5#
- 2.Re6#
- 2.Rxe7#
- 1...Sb5
- 2.Sxb5#
- 1...Sc6
- 2.Sb5#
- 1...Sc8
- 2.Sb5#
- 1...fxg6
- 2.Se6#
- 1...gxf6
- 2.Qxf6#
- 1...Qd5
- Tries
- 1.Se5?
- threat
- 2.Rd3#
- 2.Re4#
- 1...Sxe3
- 2.Bxe3#
- 1...Kc5!
- threat
- 1.Bxf5?
- threat
- 2.Kg3#
- 2.Re1#
- 2.Re2#
- 2.Re5#
- 2.Re6#
- 2.Re7#
- 2.Rexe8#
- 1...Qd6+
- 2.Re5#
- 2.Rxd6#
- 1...g5+!
- threat
- 1.Re1+?
- 1...Se3
- 2.Kg3#
- 2.Bxe3#
- 1...Kxd3!
- 1...Se3
- 1.Re2+?
- 1...Se3
- 2.Kg3#
- 2.Bxe3#
- 1...Kxd3!
- 1...Se3
- 1.Re5+?
- 1...Se3
- 2.Kg3#
- 2.Bxe3#
- 1...Kxd3!
- 1...Se3
- 1.Re6+?
- 1...Se3
- 2.Kg3#
- 2.Bxe3#
- 1...Kxd3!
- 1...Se3
- 1.Re7+?
- 1...Se3
- 2.Kg3#
- 2.Bxe3#
- 1...Kxd3!
- 1...Se3
- 1.Rexe8+?
- 1...Se3
- 2.Kg3#
- 2.Bxe3#
- 2.Rxd7#
- 1...Kxd3!
- 1...Se3
- 1.Rxd7+?
- 1...Sd6
- 2.Kg3#
- 2.Re1#
- 2.Re2#
- 2.Re5#
- 2.Re6#
- 2.Ree7#
- 2.Rxe8#
- 2.Rxd6#
- 1...Bxd7!
- 1...Sd6
- 1.Qe1?
- threat
- 2.Qc3#
- 1...Sb5
- 2.Sxb5#
- 1...Qd6+!
- threat
- 1.Qg4?
- 1...Qd6+
- 2.Kxf5#
- 1...Qxd8
- 2.Kxf5#
- 1...Sxe3
- 2.Kg3#
- 2.Bxe3#
- 1...fxg6
- 2.Se6#
- 1...Sb5
- 2.Sxb5#
- 1...Qd5
- 2.Rxd5#
- 1...Sg3
- 2.Kxg3#
- 2.Re1#
- 2.Re2#
- 2.Re5#
- 2.Re6#
- 2.Re7#
- 2.Rexe8#
- 1...Sh4
- 2.Kg3#
- 2.Re1#
- 2.Re2#
- 2.Re5#
- 2.Re6#
- 2.Re7#
- 2.Rexe8#
- 1...Sd6
- 2.Re1#
- 2.Re2#
- 2.Re5#
- 2.Re6#
- 2.Re7#
- 2.Rexe8#
- 1...Se7
- 2.Kg3#
- 2.Re1#
- 2.Re2#
- 2.Re5#
- 2.Re6#
- 2.Rxe7#
- 1...Sc6
- 2.Sb5#
- 1...Sc8
- 2.Sb5#
- 1...gxf6!
- 1...Qd6+
- 1.fxg7?
- threat
- 2.Qf6#
- 1...Qd6+
- 2.Kxf5#
- 1...Sxh4
- 2.Re1#
- 2.Re2#
- 2.Re5#
- 2.Re6#
- 2.Re7#
- 2.Rexe8#
- 1...Sc6
- 2.Sb5#
- 1...f6
- 2.Se6#
- 2.Qxf6#
- 1...Qxd8!
- threat
- 1.Se5?
- Keys
- 1.Kg4!
- 1...Sxe3+
- 2.Kg3#
- 1...Sg3+
- 2.Kxg3#
- 2.Re6#
- 1...Sxh4+
- 2.Re6#
- 1...Sd6+
- 2.Re6#
- 1...Se7+
- 2.Kg3#
- 2.Re6#
- 1...Qxd8
- 2.Kxf5#
- 1...fxg6
- 2.Se6#
- 1...gxf6
- 2.Qxf6#
- 1...Qd5
- 2.Rxd5#
- 1...Qd6
- 2.Kxf5#
- 1...Sb5
- 2.Sxb5#
- 1...Sc6
- 2.Sb5#
- 1...Sc8
- 2.Sb5#
- 1...Sxe3+
- 1.Kg4!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- Q(f);OGATE::R1(N),XQ(f)
- Q(f);CHECK::QAR(I)+K(H),XS(c)
- Q(f);N_SPINQ(f),XR(N)::QAR(I)+K(H),XS(c)
- S(e);N_GUARD::S(M),XS(e)
- S(e);N_GUARD::S(M)
- P(g);N_GUARD,XB(L)::S(M)
- P(h);OGATE,XP(K)::QAB(I),XP(h)
- Tries
- Try
- S(D);
- Threat
- DUALS(2)
- Vars
- S(c);OGATE,P_SPINS(c),XR(E)::B(A),XS(c)
- Refutation
- K(b);N_SPINQ(f),S_FLIGHT
- Try
- B(L);XS(c)
- Threat
- DUALS(7)
- Refutation
- P(h);CHECK
- Try
- R(E);CHECK
- Refutation
- K(b);P-FLIGHT,P_SPINS(c),XS(D)
- Try
- R(E);CHECK
- Refutation
- K(b);P-FLIGHT,P_SPINS(c),XS(D)
- Try
- R(E);CHECK
- Refutation
- K(b);P-FLIGHT,P_SPINS(c),XS(D)
- Try
- R(E);CHECK
- Refutation
- K(b);P-FLIGHT,P_SPINS(c),XS(D)
- Try
- R(E);CHECK
- Refutation
- K(b);P-FLIGHT,P_SPINS(c),XS(D)
- Try
- R(E);CHECK,XB(i)
- Refutation
- K(b);P-FLIGHT,P_SPINS(c),XS(D)
- Try
- R(N);CHECK,XQ(f)
- Refutation
- B(i);XR(N)
- Try
- Q(I);
- Threat
- QAB1(I)
- Vars
- S(e);N_GUARD::S(M),XS(e)
- Refutation
- Q(f);CHECK
- Try
- Q(I);
- Vars
- Q(f);CHECK::QAR(I)+K(H),XS(c)
- Q(f);N_SPINQ(f),XR(N)::QAR(I)+K(H),XS(c)
- P(g);N_GUARD,XB(L)::S(M)
- S(e);N_GUARD::S(M),XS(e)
- Q(f);OGATE::R1(N),XQ(f)
- S(e);N_GUARD::S(M)
- Refutation
- P(h);XP(K)
- Try
- P(K);XP(h)
- Threat
- QAB(I)
- Vars
- Q(f);CHECK::QAR(I)+K(H),XS(c)
- S(e);N_GUARD::S(M)
- Refutation
- Q(f);N_SPINQ(f),XR(N)
- Try
- Actual
- K(H);P-FLIGHT
- Vars
- S(c);CHECK,P_SPINS(c),XR(E)::QAR(I)+K(H)
- S(c);CHECK,N_GUARD,XQ(I)::B(A)+R(E)
- S(c);CHECK,N_GUARD,N_SPINQ(f)::B(A)+R(E)
- Q(f);N_SPINQ(f),XR(N)::QAR(I)+K(H),XS(c)
- P(g);N_GUARD,XB(L)::S(M)
- P(h);OGATE,XP(K)::QAB(I),XP(h)
- Q(f);OGATE::R1(N),XQ(f)
- Q(f);::QAR(I)+K(H),XS(c)
- S(e);N_GUARD::S(M),XS(e)
- S(e);N_GUARD::S(M)
Developed and maintained by Brian Stephenson.
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