MESON Chess Problem Database
Problem Display
PID: 65082 (2n2N2/1p3R2/2b2Pr1/3BkNpq/2P4P/B1p3Pp/3RP2K/5Q2 w - - 0 1)
Havran, Jozef
5th Prize, Schach, 1986
#2
13 + 9
| 5159 | FIDE Album (1986-1988) (Annexe) | 1996 |
SOLUTION
- SOUND
- Sets
- 1...Qxe2+
- 2.Rxe2#
- 1...Qg4
- 2.Sxg6#
- 1...Qxh4
- 2.Sxg6#
- 1...Qh8
- 2.Sxg6#
- 1...Bd7
- 2.Sxd7#
- 1...Sb6
- 2.Bd6#
- 1...Sd6
- 2.Bxd6#
- 1...Sa7
- 2.Bd6#
- 1...Se7
- 2.Bd6#
- 1...cxd2
- 2.Bb2#
- 1...c2
- 2.Bb2#
- 1...gxh4
- 2.Qf4#
- 1...g4
- 2.Qf4#
- 1...Qxe2+
- Tries
- 1.Se3?
- threat
- 2.Qf5#
- 1...Rxf6
- 2.Qxf6#
- 1...cxd2
- 2.Qa1#
- 1...gxh4
- 2.Qf4#
- 1...Qf3
- 2.Sxg6#
- 1...Qg4
- 2.Sxg4#
- 2.Sxg6#
- 1...Bd7
- 2.Sxd7#
- 1...Sd6
- 2.Re7#
- 1...Se7
- 2.Rxe7#
- 1...g4
- 2.Qf4#
- 1...Qxe2+!
- threat
- 1.Sd4?
- threat
- 2.Qf5#
- 1...Qxe2+
- 2.Qxe2#
- 1...Rxf6
- 2.Qxf6#
- 1...gxh4
- 2.Qf4#
- 1...Qf3
- 2.Sxg6#
- 1...Qg4
- 2.Sxg6#
- 1...Bd7
- 2.Sxd7#
- 1...Sd6
- 2.Re7#
- 1...Se7
- 2.Rxe7#
- 1...g4
- 2.Qf4#
- 1...cxd2!
- threat
- 1.Se7?
- threat
- 2.Qf5#
- 1...Qxe2+
- 2.Qxe2#
- 1...Rxf6
- 2.Qxf6#
- 1...Sxe7
- 2.Rxe7#
- 1...cxd2
- 2.Qa1#
- 1...gxh4
- 2.Qf4#
- 1...Qf3
- 2.Sfxg6#
- 1...Qg4
- 2.Sexg6#
- 2.Sfxg6#
- 1...Bd7
- 2.Sxd7#
- 1...g4
- 2.Qf4#
- 1...Sd6!
- threat
- 1.Sg7?
- threat
- 2.Qf5#
- 1...Qxe2+
- 2.Qxe2#
- 1...Rxf6
- 2.Qxf6#
- 1...cxd2
- 2.Qa1#
- 1...gxh4
- 2.Qf4#
- 1...Qf3
- 2.Sxg6#
- 1...Qg4
- 2.Sxg6#
- 1...Bd7
- 2.Sxd7#
- 1...Sd6
- 2.Re7#
- 1...Se7
- 2.Rxe7#
- 1...g4
- 2.Qf4#
- 1...Rxg7!
- threat
- 1.Qb1?
- threat
- 2.Qe4#
- 1...Qxe2+
- 2.Rxe2#
- 1...Qxh4
- 2.Sxg6#
- 1...Bxd5
- 2.Rxd5#
- 1...Qf3
- 2.Sxg6#
- 1...Qg4
- 2.Sxg6#
- 1...Sd6
- 2.Bxd6#
- 1...c2!
- threat
- 1.Qf3?
- threat
- 2.Qe4#
- 1...Qxh4
- 2.Sxg6#
- 1...Bxd5
- 2.Rxd5#
- 2.Qxd5#
- 1...Qg4
- 2.Sxg6#
- 1...Sd6
- 2.Bxd6#
- 1...Qxf3!
- threat
- 1.Se3?
- Keys
- 1.Sd6!
- threat
- 2.Qf5#
- 1...Qxe2+
- 2.Qxe2#
- 1...Rxf6
- 2.Qxf6#
- 1...Sxd6
- 2.Re7#
- 1...cxd2
- 2.Qa1#
- 1...gxh4
- 2.Qf4#
- 1...Qf3
- 2.Sxg6#
- 1...Qg4
- 2.Sxg6#
- 1...Bd7
- 2.Sxd7#
- 1...Se7
- 2.Rxe7#
- 1...g4
- 2.Qf4#
- threat
- 1.Sd6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 4
- ADDED MATES = 2
- REMOVED MATES = 5
- Sets
- Q(e);CHECK,OGATE,XP(C)::R(B),XQ(e)
- Q(e);N_GUARD::S(M),XR(g)
- Q(e);N_GUARD,XP(H)::S(M),XR(g)
- B(f);N_GUARD::S(M),XB(f)
- S(i);N_GUARD::B(E)
- S(i);N_GUARD::B(E),XS(i)
- P(a);OGATEB,XR(B)::B(E)
- P(a);OGATEB::B(E)
- P(d);N_GUARD,XP(H)::QAB1(A)
- P(d);N_GUARD::QAB1(A)
- Tries
- Try
- S(J);
- Threat
- QAR1(A)
- Vars
- R(g);OGATE,XP(K)::QAB1(A),XR(g)
- P(a);OGATEB,XR(B)::QAB(A)
- P(d);N_GUARD,XP(H)::QAB1(A)
- Q(e);N_GUARD::S(M),XR(g)
- B(f);N_GUARD::S(M),XB(f)
- S(i);N_GUARD::R(L)
- S(i);N_GUARD::R(L),XS(i)
- P(d);N_GUARD::QAB1(A)
- Refutation
- Q(e);CHECK,XP(C)
- Try
- S(J);
- Threat
- QAR1(A)
- Vars
- Q(e);CHECK,OGATE,XP(C)::QAR(A),XQ(e)
- R(g);OGATE,XP(K)::QAB1(A),XR(g)
- P(d);N_GUARD,XP(H)::QAB1(A)
- Q(e);N_GUARD::S(M),XR(g)
- B(f);N_GUARD::S(M),XB(f)
- S(i);N_GUARD::R(L)
- S(i);N_GUARD::R(L),XS(i)
- P(d);N_GUARD::QAB1(A)
- Refutation
- P(a);XR(B)
- Try
- S(J);
- Threat
- QAR1(A)
- Vars
- Q(e);CHECK,OGATE,XP(C)::QAR(A),XQ(e)
- R(g);OGATE,XP(K)::QAB1(A),XR(g)
- S(i);OGATE,XS(J)::R(L),XS(i)
- P(a);OGATEB,XR(B)::QAB(A)
- P(d);N_GUARD,XP(H)::QAB1(A)
- Q(e);N_GUARD::S(M),XR(g)
- B(f);N_GUARD::S(M),XB(f)
- P(d);N_GUARD::QAB1(A)
- Refutation
- S(i);
- Try
- S(J);
- Threat
- QAR1(A)
- Vars
- Q(e);CHECK,OGATE,XP(C)::QAR(A),XQ(e)
- R(g);OGATE,XP(K)::QAB1(A),XR(g)
- P(a);OGATEB,XR(B)::QAB(A)
- P(d);N_GUARD,XP(H)::QAB1(A)
- Q(e);N_GUARD::S(M),XR(g)
- B(f);N_GUARD::S(M),XB(f)
- S(i);N_GUARD::R(L)
- S(i);N_GUARD::R(L),XS(i)
- P(d);N_GUARD::QAB1(A)
- Refutation
- R(g);XS(J)
- Try
- Q(A);
- Threat
- QAR1(A)
- Vars
- Q(e);CHECK,OGATE,XP(C)::R(B),XQ(e)
- Q(e);N_GUARD,XP(H)::S(M),XR(g)
- B(f);OGATE,XB(I)::R1(B),XB(f)
- Q(e);N_GUARD::S(M),XR(g)
- S(i);N_GUARD::B(E),XS(i)
- Refutation
- P(a);
- Try
- Q(A);
- Threat
- QAR1(A)
- Vars
- Q(e);N_GUARD,XP(H)::S(M),XR(g)
- Q(e);N_GUARD::S(M),XR(g)
- S(i);N_GUARD::B(E),XS(i)
- Refutation
- Q(e);XQ(A)
- Try
- Actual
- S(J);
- Threat
- QAR1(A)
- Vars
- Q(e);CHECK,OGATE,XP(C)::QAR(A),XQ(e)
- R(g);OGATE,XP(K)::QAB1(A),XR(g)
- S(i);N_GUARD,XS(J)::R(L)
- P(a);OGATEB,XR(B)::QAB(A)
- P(d);N_GUARD,XP(H)::QAB1(A)
- Q(e);N_GUARD::S(M),XR(g)
- B(f);N_GUARD::S(M),XB(f)
- S(i);N_GUARD::R(L),XS(i)
- P(d);N_GUARD::QAB1(A)
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