MESON Chess Problem Database
Problem Display
PID: 99895 (6R1/b7/1p1pK3/4NP2/3k1ppQ/8/2R1b3/2Bn3B w - - 0 1)
Kisis, Imants J
Magyar Sakkelet, 1987
#2
8 + 8
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Bd3
- 2.Sc6#
- 1...Bf3
- 2.Rc4#
- 1...Bc4+
- 2.Rxc4#
- 1...Sb2
- 2.Qf2#
- 1...Sf2
- 2.Qxf2#
- 1...Sc3
- 2.Qf2#
- 1...Se3
- 2.Bb2#
- 1...f3
- 2.Rxg4#
- 2.Qxg4#
- 1...g3
- 2.Qxf4#
- 1...dxe5
- 2.Rd8#
- 2.Qd8#
- 1...Bd3
- Tries
- 1.Bb2+?
- 1...Sxb2
- 2.Qf2#
- 1...Sc3
- 2.Qf2#
- 1...Ke3!
- 1...Sxb2
- 1.Rd8?
- threat
- 2.Rxd6#
- 1...Bc4+
- 2.Rxc4#
- 1...Bf3
- 2.Rc4#
- 1...Sc3
- 2.Qf2#
- 1...f3
- 2.Qxg4#
- 1...Se3
- 2.Bb2#
- 1...d5
- 2.Rxd5#
- 1...Bb8!
- threat
- 1.Qf2+?
- 1...Se3
- 2.Bb2#
- 2.Qxf4#
- 1...Sxf2!
- 1...Se3
- 1.Qg3?
- threat
- 2.Sc6#
- 2.Qxf4#
- 1...Bc4+
- 2.Rxc4#
- 1...dxe5
- 2.Rd8#
- 1...Bf3
- 2.Rc4#
- 1...Sc3
- 2.Qf2#
- 2.Qg1#
- 2.Qxc3#
- 1...f3
- 2.Rxg4#
- 2.Qf4#
- 2.Qxg4#
- 1...Bd3
- 2.Sc6#
- 2.Qxd3#
- 1...Bb5
- 2.Qxf4#
- 1...Sf2
- 2.Sc6#
- 2.Bb2#
- 2.Qxf2#
- 2.Qc3#
- 1...Se3
- 2.Bb2#
- 2.Qxf4#
- 1...fxg3!
- threat
- 1.Qd8?
- threat
- 2.Qxd6#
- 1...Bc4+
- 2.Rxc4#
- 1...Bf3
- 2.Rc4#
- 1...f3
- 2.Rxg4#
- 1...Bb8
- 2.Qxb6#
- 1...Se3
- 2.Bb2#
- 1...d5
- 2.Qxd5#
- 1...Sc3!
- threat
- 1.Qh2?
- threat
- 2.Qxf4#
- 1...Bc4+
- 2.Rxc4#
- 1...dxe5
- 2.Rd8#
- 1...Bf3
- 2.Rc4#
- 1...Sc3
- 2.Qg1#
- 2.Qf2#
- 1...f3
- 2.Rxg4#
- 2.Qf4#
- 1...Bd3
- 2.Sc6#
- 1...Sf2
- 2.Qxf2#
- 1...g3!
- threat
- 1.Qxg4?
- threat
- 2.Qxf4#
- 1...Bc4+
- 2.Rxc4#
- 1...Bxg4
- 2.Rc4#
- 1...dxe5
- 2.Rd8#
- 1...Bf3
- 2.Rc4#
- 1...Sc3
- 2.Qg1#
- 1...Bd3
- 2.Sc6#
- 1...Sf2!
- threat
- 1.Bb2+?
- Keys
- 1.Rxg4!
- threat
- 2.Rxf4#
- 1...Bc4+
- 2.Rxc4#
- 1...Bxg4
- 2.Rc4#
- 1...dxe5
- 2.Qd8#
- 1...Bf3
- 2.Rc4#
- 1...Sc3
- 2.Qf2#
- 1...Bd3
- 2.Sc6#
- 1...Sf2
- 2.Qxf2#
- threat
- 1.Rxg4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 3
- Sets
- B(b);SBLOCK::S(E)
- B(b);N_GUARD::R1(C)
- B(b);CHECK,N_GUARD::R1(C),XB(b)
- S(a);N_GUARD::QAB(D)
- S(a);N_GUARD::QAB(D),XS(a)
- S(a);N_GUARD,SBLOCK::B(A)
- P(e);OGATE,P_SPINP(d)::QAR2(D),XP(d)
- Tries
- Try
- B(A);CHECK
- Vars
- S(a);XB(A)::QAB(D)
- S(a);P_SPINS(a)::QAB(D)
- Refutation
- K(c);S_FLIGHT
- Try
- R(H);P_PINP(g)
- Threat
- R(H),XP(g)
- Vars
- B(b);CHECK,N_GUARD::R1(C),XB(b)
- B(b);N_GUARD::R1(C)
- S(a);N_GUARD::QAB(D)
- P(d);N_SPINP(g),OGATEB,P_SPINP(e)::QAR(D),XP(e)
- S(a);N_GUARD,SBLOCK::B(A)
- P(g);OGATE::R1(H),XP(g)
- Refutation
- B(h);
- Try
- Q(D);CHECK
- Refutation
- S(a);XQ(D)
- Try
- Q(D);
- Threat
- DUALS(2)
- Vars
- B(b);CHECK,N_GUARD::R1(C),XB(b)
- P(g);OGATEB,XS(E)::R(H)
- B(b);N_GUARD::R1(C)
- B(b);::QAR2(D),XP(d)
- Refutation
- P(d);XQ(D)
- Try
- Q(D);P_PINP(g)
- Threat
- QAR2(D),XP(g)
- Vars
- B(b);CHECK,N_GUARD::R1(C),XB(b)
- B(b);N_GUARD::R1(C)
- P(d);OGATEB::R(H),XP(e)
- B(h);N_GUARD::QAB(D),XP(f)
- S(a);N_GUARD,SBLOCK::B(A)
- P(g);OGATE::QAR1(D),XP(g)
- Refutation
- S(a);
- Try
- Q(D);
- Threat
- QAR2(D),XP(d)
- Vars
- B(b);CHECK,N_GUARD::R1(C),XB(b)
- P(g);OGATEB,XS(E)::R(H)
- B(b);N_GUARD::R1(C)
- B(b);SBLOCK::S(E)
- S(a);N_GUARD::QAB(D),XS(a)
- Refutation
- P(e);
- Try
- Q(D);P_PINP(d),XP(e)
- Threat
- QAR2(D),XP(d)
- Vars
- B(b);CHECK,N_GUARD::R1(C),XB(b)
- B(b);N_GUARD,N_SPINP(d),P_PINP(F),XQ(D)::R1(C)
- P(g);OGATEB,XS(E)::R(H)
- B(b);N_GUARD::R1(C)
- S(a);N_GUARD::QAB(D)
- B(b);SBLOCK::S(E)
- Refutation
- S(a);
- Try
- Actual
- R(H);P_PINP(d),XP(e)
- Threat
- R(H),XP(d)
- Vars
- B(b);CHECK,N_GUARD::R1(C),XB(b)
- B(b);N_GUARD,N_SPINP(d),P_PINP(F),XR(H)::R1(C)
- P(g);OGATEB,XS(E)::QAR(D)
- B(b);N_GUARD::R1(C)
- S(a);N_GUARD::QAB(D)
- B(b);SBLOCK::S(E)
- S(a);N_GUARD::QAB(D),XS(a)
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