MESON Chess Problem Database
Problem Display
PID: 99840 (2KBN2b/2P1pN2/2p1kpP1/p2np3/R4pP1/p2R1P2/B2P4/8 w - - 0 1)
Schiffert, Gyorgy
Magyar Sakkelet, 1982
#2
12 + 10
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Bg7
- 2.Sxg7#
- 1...e4
- 2.Rxe4#
- 1...c5
- 2.Bxd5#
- 1...f5
- 2.Sg5#
- 1...Bg7
- Tries
- 1.Kb7?
- threat
- 2.c8Q#
- 2.c8B#
- 1...Bg7
- 2.c8Q#
- 2.c8B#
- 1...e4
- 2.c8Q#
- 2.c8B#
- 1...c5
- 2.c8Q#
- 2.c8B#
- 1...f5
- 2.c8Q#
- 2.c8B#
- 1...Kd7!
- threat
- 1.Kb8?
- threat
- 2.c8Q#
- 2.c8B#
- 1...Bg7
- 2.c8Q#
- 2.c8B#
- 1...e4
- 2.c8Q#
- 2.c8B#
- 1...c5
- 2.c8Q#
- 2.c8B#
- 1...f5
- 2.c8Q#
- 2.c8B#
- 1...Kd7!
- threat
- 1.Sh6?
- 1...e4
- 2.Rxe4#
- 1...c5
- 2.Bxd5#
- 1...f5
- 2.gxf5#
- 1...Bg7!
- 1...e4
- 1.Sxh8?
- 1...e4
- 2.Rxe4#
- 1...c5
- 2.Bxd5#
- 1...f5!
- 1...e4
- 1.Bb3?
- 1...Bg7
- 2.Sxg7#
- 1...e4
- 2.Rxe4#
- 1...c5
- 2.Bxd5#
- 1...f5
- 2.Sg5#
- 1...a2!
- 1...Bg7
- 1.Rdxa3?
- 1...Bg7
- 2.Sxg7#
- 1...e4
- 2.Rxe4#
- 1...f5
- 2.Sg5#
- 1...c5!
- 1...Bg7
- 1.Rdd4?
- 1...Bg7
- 2.Sxg7#
- 1...e4
- 2.Rxe4#
- 1...c5
- 2.Bxd5#
- 1...f5
- 2.Sg5#
- 1...exd4!
- 1...Bg7
- 1.Rxd5?
- threat
- 2.Rd3#
- 2.Rdd4#
- 2.Rdxa5#
- 2.Rb5#
- 2.Rc5#
- 2.Rxe5#
- 2.Rd6#
- 2.Rd7#
- 1...e4
- 2.Rxe4#
- 2.Rd3#
- 2.Rdd4#
- 2.Rdxa5#
- 2.Rb5#
- 2.Rc5#
- 2.Re5#
- 2.Rf5#
- 2.Rg5#
- 2.Rh5#
- 2.Rd6#
- 2.Rd7#
- 1...c5
- 2.Rxc5#
- 2.Rxe5#
- 2.Rd6#
- 1...cxd5!
- threat
- 1.Re4?
- 1...Bg7
- 2.Sxg7#
- 1...c5
- 2.Bxd5#
- 1...f5
- 2.Sg5#
- 1...a4!
- 1...Bg7
- 1.Rxa5?
- 1...Bg7
- 2.Sxg7#
- 1...c5
- 2.Bxd5#
- 2.Ra6#
- 1...f5
- 2.Sg5#
- 1...e4!
- 1...Bg7
- 1.Kb7?
- Keys
- 1.Rb3!
- 1...Sb6+
- 2.Rxb6#
- 1...Sxc7
- 2.Sxc7#
- 1...Sc3
- 2.Rxc3#
- 1...Se3
- 2.Rxe3#
- 1...Sb4
- 2.Rbxb4#
- 1...Bg7
- 2.Sxg7#
- 1...e4
- 2.Rxe4#
- 1...c5
- 2.Rb6#
- 1...f5
- 2.Sg5#
- 1...Sb6+
- 1.Rb3!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 1
- ADDED MATES = 5
- REMOVED MATES = 0
- Sets
- B(j);N_GUARD::S(L),XB(j)
- P(e);OGATEB::R(E),XP(e)
- P(f);N_GUARD::B(A),XS(d)
- P(h);N_GUARD::S(I)
- Tries
- Try
- K(J);S_FLIGHT
- Threat
- P=Q
- Vars
- B(j);::P=Q
- P(e);::P=Q
- P(f);::P=Q
- P(h);::P=Q
- Refutation
- K(g);S_FLIGHT
- Try
- K(J);P-FLIGHT
- Threat
- P=Q
- Vars
- B(j);::P=Q
- P(e);::P=Q
- P(f);::P=Q
- P(h);::P=Q
- Refutation
- K(g);S_FLIGHT
- Try
- S(I);
- Vars
- P(e);OGATEB::R(E),XP(e)
- P(f);N_GUARD::B(A),XS(d)
- P(h);OGATE::P(F),XP(h)
- Refutation
- B(j);
- Try
- S(I);XB(j)
- Vars
- P(e);OGATEB::R(E),XP(e)
- P(f);N_GUARD::B(A),XS(d)
- Refutation
- P(h);
- Try
- B(A);
- Vars
- B(j);N_GUARD::S(L),XB(j)
- P(e);OGATEB::R(E),XP(e)
- P(f);N_GUARD::B(A),XS(d)
- P(h);N_GUARD::S(I)
- Refutation
- P(a);
- Try
- R(C);XP(a)
- Vars
- B(j);N_GUARD::S(L),XB(j)
- P(e);OGATEB::R(E),XP(e)
- P(h);N_GUARD::S(I)
- Refutation
- P(f);
- Try
- R(C);
- Vars
- B(j);N_GUARD::S(L),XB(j)
- P(e);OGATEB::R(C),XP(e)
- P(f);N_GUARD::B(A),XS(d)
- P(h);N_GUARD::S(I)
- Refutation
- P(e);XR(C)
- Try
- R(C);XS(d)
- Threat
- DUALS(8)
- Refutation
- P(f);P_SPINP(f),XR(C)
- Try
- R(E);P_PINP(e)
- Vars
- B(j);N_GUARD::S(L),XB(j)
- P(f);N_GUARD::B(A),XS(d)
- P(h);N_GUARD::S(I)
- Refutation
- P(c);
- Try
- R(E);XP(c)
- Vars
- B(j);N_GUARD::S(L),XB(j)
- P(h);N_GUARD::S(I)
- Refutation
- P(e);
- Try
- Actual
- R(C);N_PINS(d)
- Vars
- S(d);CHECK,OGATEB::B(A)+R(C),XS(d)
- S(d);XP(H)::S(L),XS(d)
- S(d);OGATEB::B(A)+R(C),XS(d)
- B(j);N_GUARD::S(L),XB(j)
- P(e);OGATEB::R(E),XP(e)
- P(f);OGATEB::R(C)
- P(h);N_GUARD::S(I)
Developed and maintained by Brian Stephenson.
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