MESON Chess Problem Database
Problem Display
PID: 124487 (1n6/b2b4/p2r1N2/Q7/2k5/1N1p1B2/KP4n1/8 w - - 0 1)
Kuligin, Nikolai Volodimirovich
Sachove umeni (Ceskoslovensky sach), 1985
#2
6 + 8
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rd4
- 2.Sd2#
- 1...Rd5
- 2.Bxd5#
- 1...Rb6
- 2.Bd5#
- 2.Qc5#
- 1...Rc6
- 2.Bd5#
- 2.Qa4#
- 1...Re6
- 2.Bd5#
- 1...Rxf6
- 2.Bd5#
- 1...Bd4
- 2.Sd2#
- 1...Bc5
- 2.Qxc5#
- 1...Bh3
- 2.Qa4#
- 1...Ba4
- 2.Qxa4#
- 1...Bg4
- 2.Qa4#
- 1...Bb5
- 2.Qc3#
- 1...Bf5
- 2.Qa4#
- 1...Be6
- 2.Qa4#
- 1...Bc8
- 2.Qa4#
- 1...Rd4
- Tries
- 1.Ka3?
- threat
- 2.Qb4#
- 1...Bc5+
- 2.Qxc5#
- 1...Rb6
- 2.Bd5#
- 2.Qc5#
- 2.Qd5#
- 1...Sc6
- 2.Qxa6#
- 1...d2!
- threat
- 1.Sd4?
- threat
- 2.Qc3#
- 1...Rxd4
- 2.b3#
- 1...Bxd4
- 2.b3#
- 1...Kxd4!
- threat
- 1.Se4?
- threat
- 2.Sed2#
- 2.Sxd6#
- 1...Bc5
- 2.Sed2#
- 2.Qxc5#
- 1...Rd4
- 2.Sbd2#
- 2.Sed2#
- 1...Rd5
- 2.Sed2#
- 1...Rb6
- 2.Sed2#
- 2.Qc5#
- 1...Rc6
- 2.Sed2#
- 1...Re6
- 2.Sed2#
- 1...Rf6
- 2.Sed2#
- 1...Rg6
- 2.Sed2#
- 1...Rh6
- 2.Sed2#
- 1...Be3
- 2.Sxd6#
- 1...d2!
- threat
- 1.Sg4?
- threat
- 2.Se5#
- 1...Bxg4
- 2.Qa4#
- 1...Rd5
- 2.Bxd5#
- 1...Re6
- 2.Bd5#
- 1...Bd4
- 2.Sd2#
- 1...Sc6!
- threat
- 1.Sxd7?
- threat
- 2.Se5#
- 2.Qa4#
- 1...Rxd7
- 2.Qa4#
- 1...Sxd7
- 2.Qa4#
- 1...d2
- 2.Se5#
- 1...Rd5
- 2.Bxd5#
- 2.Qa4#
- 1...Rb6
- 2.Se5#
- 2.Bd5#
- 2.Qc5#
- 1...Re6
- 2.Bd5#
- 2.Qa4#
- 1...Bd4
- 2.Sd2#
- 2.Qa4#
- 1...Bc5
- 2.Se5#
- 2.Qxc5#
- 1...Sc6!
- threat
- 1.Ka3?
- Keys
- 1.Sd5!
- threat
- 2.Qb4#
- 1...Rxd5
- 2.Bxd5#
- 1...d2
- 2.Be2#
- 1...Rb6
- 2.Qc5#
- 1...Bc5
- 2.Qxc5#
- 1...Sc6
- 2.Qxa6#
- threat
- 1.Sd5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 11
- Sets
- R(e);SBLOCK::S(C)
- R(e);N_GUARD::B(D),XR(e)
- R(e);N_GUARD::B(D)
- R(e);N_GUARD,XS(F)::B(D)
- B(f);SBLOCK::S(C)
- B(f);N_GUARD::QAR1(E),XB(f)
- B(g);N_GUARD::QAR2(E)
- B(g);N_GUARD::QAR2(E),XB(g)
- B(g);SBLOCK::QAR1(E)
- Tries
- Try
- K(A);P-FLIGHT
- Threat
- QAR1(E)
- Vars
- B(f);CHECK,N_GUARD::QAR1(E),XB(f)
- S(h);N_GUARD,S_CUTB(g),S_CUTR(e)::QAB(E),XP(d)
- Refutation
- P(b);
- Try
- S(C);
- Threat
- QAR1(E)
- Vars
- R(e);SBLOCK,XS(C)::P(B)
- B(f);SBLOCK,XS(C)::P(B)
- Refutation
- K(c);P-FLIGHT,XS(C)
- Try
- S(F);
- Threat
- DUALS(2)
- Vars
- R(e);::S(F)
- B(f);::S(F),XR(e)
- Refutation
- P(b);
- Try
- S(F);
- Threat
- S(F)
- Vars
- B(g);N_GUARD,XS(F)::QAR2(E)
- R(e);N_GUARD::B(D),XR(e)
- R(e);N_GUARD::B(D)
- B(f);SBLOCK::S(C)
- Refutation
- S(h);
- Try
- S(F);XB(g)
- Threat
- DUALS(2)
- Vars
- R(e);XS(F)::QAR2(E)
- S(h);XS(F)::QAR2(E)
- P(b);::S(F)
- Refutation
- S(h);
- Try
- Actual
- S(F);
- Threat
- QAR1(E)
- Vars
- R(e);OGATE,XS(F)::B(D),XR(e)
- P(b);OGATEB::B(D)
- R(e);S_CUTB(f)::QAR1(E)
- B(f);N_GUARD::QAR1(E),XB(f)
- S(h);N_GUARD,S_CUTB(g),S_CUTR(e)::QAB(E),XP(d)
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