MESON Chess Problem Database
Problem Display
PID: 148047 (2N3n1/3Q4/1pnp2p1/RqrkbrR1/BP4NK/3P1Pp1/b1P2B2/8 w - - 0 1)
Katko, Imre
2nd HM., West Sussex Gazette, 1929
#2
12 + 12
| 35 | L'Italia Scacchistica | 1930 |
SOLUTION
- SOUND
- Sets
- 1...Qxd3
- 2.Sxb6#
- 1...Qxa4
- 2.Sxb6#
- 1...Qc4
- 2.Sxb6#
- 2.Bxc6#
- 1...Qa6
- 2.Bxc6#
- 1...Qxb4
- 2.Bxc6#
- 1...Rxc2
- 2.Sxb6#
- 1...Rc3
- 2.Sxb6#
- 1...Rc4
- 2.Sxb6#
- 1...Rxf3
- 2.Qxd6#
- 1...Rf4
- 2.Qxd6#
- 1...Rxg5
- 2.Qf7#
- 1...Rf7
- 2.Qxd6#
- 2.Qxf7#
- 1...Rf8
- 2.Qxd6#
- 1...Ba1
- 2.Qxd6#
- 2.Qf7#
- 1...Bb2
- 2.Qxd6#
- 2.Qf7#
- 1...Bc3
- 2.Qxd6#
- 2.Qf7#
- 1...Bd4
- 2.Qxd6#
- 2.Qf7#
- 1...Bf4
- 2.Qf7#
- 1...Bf6
- 2.Qxd6#
- 2.Qf7#
- 1...Bg7
- 2.Qxd6#
- 2.Qf7#
- 1...Bh8
- 2.Qxd6#
- 2.Qf7#
- 1...Sd4
- 2.Se3#
- 1...Sf6
- 2.Qf7#
- 1...Qxd3
- Tries
- 1.Sf6+?
- 1...Bxf6
- 2.Qxd6#
- 1...Sxf6
- 2.Qf7#
- 1...Rxf6!
- 1...Bxf6
- 1.Bb3+?
- 1...Qc4
- 2.Sxb6#
- 2.dxc4#
- 1...Rc4
- 2.Sxb6#
- 2.Rxb5#
- 2.dxc4#
- 1...Bxb3!
- 1...Qc4
- 1.Bxb5?
- threat
- 2.Sxb6#
- 2.Bxc6#
- 1...Rxb5
- 2.Sxb6#
- 2.Rxb5#
- 1...Sxb4
- 2.Sxb6#
- 1...Sxa5
- 2.Sxb6#
- 1...bxa5
- 2.Sb6#
- 1...Sd4
- 2.Se3#
- 2.Sxb6#
- 1...Sa7
- 2.Sxb6#
- 1...Sce7
- 2.Sxb6#
- 1...Sb8
- 2.Sxb6#
- 1...Sd8
- 2.Sxb6#
- 1...Sge7
- 2.Sxb6#
- 1...gxf2!
- threat
- 1.Rxf5?
- threat
- 2.Qxd6#
- 2.Qf7#
- 1...Qxd3
- 2.Sxb6#
- 2.Qf7#
- 1...Sxb4
- 2.Rxe5#
- 2.Qxd6#
- 1...Sxa5
- 2.Rxe5#
- 2.Qxd6#
- 1...gxf2
- 2.Qxd6#
- 1...gxf5
- 2.Qf7#
- 1...Sd4
- 2.Se3#
- 2.Rxe5#
- 2.Qxd6#
- 1...Sa7
- 2.Rxe5#
- 2.Qxd6#
- 1...Sce7
- 2.Rxe5#
- 2.Qxd6#
- 1...Sb8
- 2.Rxe5#
- 2.Qxd6#
- 1...Sd8
- 2.Rxe5#
- 2.Qxd6#
- 1...Sh6
- 2.Sf6#
- 2.Qxd6#
- 1...Sge7
- 2.Sf6#
- 2.Qxd6#
- 1...g5+!
- threat
- 1.c4+?
- 1...Qxc4
- 2.Sxb6#
- 2.Bxc6#
- 1...Rxc4
- 2.Sxb6#
- 1...Bxc4!
- 1...Qxc4
- 1.Sf6+?
- Keys
- 1.c3!
- threat
- 2.Se3#
- 1...Qxd3
- 2.Sxb6#
- 1...Qxb4
- 2.Bxc6#
- 1...Rxc3
- 2.Sxb6#
- 1...Rxf3
- 2.Qxd6#
- 1...Bxc3
- 2.Qxd6#
- 2.Qf7#
- 1...Qc4
- 2.Sxb6#
- 2.Bxc6#
- 1...Rc4
- 2.Sxb6#
- 1...Rf4
- 2.Qxd6#
- 1...Bd4
- 2.Qxd6#
- 2.Qf7#
- 1...Bf4
- 2.Qf7#
- 1...Bf6
- 2.Qxd6#
- 2.Qf7#
- 1...Bg7
- 2.Qxd6#
- 2.Qf7#
- 1...Bh8
- 2.Qxd6#
- 2.Qf7#
- threat
- 1.c3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 7
- Sets
- Q(c);N_GUARD,P_SPINR(d),XP(C)::S(L),XP(h)
- Q(c);N_GUARD,P_SPINR(d),XB(E)::S(L),XP(h)
- Q(c);OGATE,P_SPINR(d)::B(E),XS(i)
- Q(c);OGATE,P_PINS(G),P_SPINR(d),XP(F)::B(E),XS(i)
- R(d);P_SPINQ(c),XP(A)::S(L),XP(h)
- R(d);P_SPINQ(c)::S(L),XP(h)
- R(d);P_PINS(G),P_SPINQ(c)::S(L),XP(h)
- R(g);P_SPINB(f),XP(D)::QAR1(K),XP(j)
- R(g);P_PINS(G),P_SPINB(f)::QAR1(K),XP(j)
- R(g);N_GUARD,XR(J)::QAB(K)
- R(g);P_SPINB(f)::QAR1(K),XP(j)
- B(f);P_SPINR(g)::QAB(K)
- S(i);SBLOCK::S(G)
- S(l);S_CUTR(g)::QAB(K)
- Tries
- Try
- S(G);CHECK
- Vars
- B(f);P_PINR(J),P_SPINR(g),XS(G)::QAR1(K),XP(j)
- S(l);XS(G)::QAB(K)
- Refutation
- R(g);P_SPINB(f),XS(G)
- Try
- B(E);CHECK
- Refutation
- B(a);XB(E)
- Try
- B(E);XQ(c)
- Threat
- DUALS(2)
- Vars
- S(i);XP(F)::S(L),XP(h)
- S(i);XR(I)::S(L),XP(h)
- P(h);XR(I)::S(L)
- S(i);::S(L),XP(h)
- S(l);::S(L),XP(h)
- Refutation
- P(b);XB(B)
- Try
- R(J);P_PINB(f),XR(g)
- Threat
- DUALS(2)
- Vars
- P(b);XB(B)::QAR1(K),XP(j)
- P(k);N_SPINB(f),XR(J)::QAB(K)
- Refutation
- P(k);CHECK
- Try
- P(A);CHECK
- Vars
- R(d);P_PINS(G),P_SPINQ(c),XP(A)::S(L),XP(h)
- Refutation
- B(a);XP(A)
- Try
- Actual
- P(A);
- Threat
- S(G)
- Vars
- Q(c);N_GUARD,P_SPINR(d),XP(C)::S(L),XP(h)
- Q(c);OGATE,P_PINS(G),P_SPINR(d),XP(F)::B(E),XS(i)
- R(d);P_SPINQ(c),XP(A)::S(L),XP(h)
- R(g);P_SPINB(f),XP(D)::QAR1(K),XP(j)
- R(d);P_PINS(G),P_SPINQ(c)::S(L),XP(h)
- R(g);P_PINS(G),P_SPINB(f)::QAR1(K),XP(j)
- B(f);P_SPINR(g)::QAB(K)
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