MESON Chess Problem Database
Problem Display
PID: 169362 (8/8/8/1K5n/1P3P1B/1Nk1p3/3p4/1Q1R4 w - - 0 1)
Vasilenko, Anatoly Grigorovich
1st Prize, SuperProblem 057. TT, 2012
#2
7 + 4
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Sg3
- 2.Bf6#
- 1...Sxf4
- 2.Bf6#
- 1...Sf6
- 2.Bxf6#
- 1...Sg7
- 2.Bf6#
- 1...Sg3
- Tries
- 1.Kc5?
- 1...Sxf4
- 2.Bf6#
- 1...Sg3
- 2.Bf6#
- 1...Sf6
- 2.Bxf6#
- 1...Sg7
- 2.Bf6#
- 1...e2!
- 1...Sxf4
- 1.Sxd2?
- threat
- 2.Se4#
- 1...Kd4
- 2.Se4#
- 1...Sg3
- 2.Bf6#
- 1...Sf6
- 2.Bxf6#
- 1...exd2!
- threat
- 1.Sc5?
- 1...Kd4
- 2.Qd3#
- 1...Sxf4
- 2.Bf6#
- 1...Sg3
- 2.Bf6#
- 1...Sf6
- 2.Bxf6#
- 1...Sg7
- 2.Bf6#
- 1...e2!
- 1...Kd4
- 1.Be1?
- threat
- 2.Rc1#
- 1...dxe1Q
- 2.Rd3#
- 1...dxe1R
- 2.Rd3#
- 1...dxe1S!
- threat
- 1.Bg5?
- 1...Sxf4
- 2.Bf6#
- 1...Sg3
- 2.Bf6#
- 1...Sf6
- 2.Bxf6#
- 1...Sg7
- 2.Bf6#
- 1...e2!
- 1...Sxf4
- 1.Be7?
- 1...Sxf4
- 2.Bf6#
- 1...Sg3
- 2.Bf6#
- 1...Sf6
- 2.Bxf6#
- 1...Sg7
- 2.Bf6#
- 1...e2!
- 1...Sxf4
- 1.Bd8?
- 1...Sxf4
- 2.Bf6#
- 1...Sg3
- 2.Bf6#
- 1...Sf6
- 2.Bxf6#
- 1...Sg7
- 2.Bf6#
- 1...e2!
- 1...Sxf4
- 1.Rxd2?
- threat
- 2.Rd3#
- 2.Qc2#
- 2.Qd3#
- 2.Qb2#
- 1...Sxf4
- 2.Bf6#
- 2.Qc2#
- 2.Qb2#
- 1...exd2!
- threat
- 1.f5?
- 1...Sg3
- 2.Bf6#
- 1...Sf4
- 2.Bf6#
- 1...Sf6
- 2.Bxf6#
- 1...Sg7
- 2.Bf6#
- 1...e2!
- 1...Sg3
- 1.Kc5?
- Keys
- 1.Sc1!
- threat
- 2.Se2#
- 1...Kd4
- 2.Qd3#
- 1...Sxf4
- 2.Bf6#
- 1...dxc1Q
- 2.Rd3#
- 1...dxc1S
- 2.Be1#
- 1...dxc1B
- 2.Rd3#
- 1...dxc1R
- 2.Be1#
- 2.Rd3#
- 1...e2
- 2.Sxe2#
- 1...Sg3
- 2.Bf6#
- threat
- 1.Sc1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 2
- Sets
- S(d);N_GUARD::B(F)
- S(d);N_GUARD,XP(E)::B(F)
- S(d);N_GUARD::B(F),XS(d)
- Tries
- Try
- K(G);P-FLIGHT
- Vars
- S(d);N_GUARD,XP(E)::B(F)
- S(d);N_GUARD::B(F)
- S(d);N_GUARD::B(F),XS(d)
- Refutation
- P(c);
- Try
- S(C);XP(a)
- Threat
- S(C)
- Vars
- K(b);S_FLIGHT::R(B)+S(C)
- S(d);N_GUARD::B(F)
- S(d);N_GUARD::B(F),XS(d)
- Refutation
- P(c);XS(C)
- Try
- S(C);
- Vars
- K(b);P_SPINP(a),S_FLIGHT::QAR1(A)
- S(d);N_GUARD,XP(E)::B(F)
- S(d);N_GUARD::B(F)
- S(d);N_GUARD::B(F),XS(d)
- Refutation
- P(c);
- Try
- B(F);P_PINP(a)
- Threat
- R(B)
- Vars
- P(a);N_SPINP(a),OGATE,XB(F)::R1(B)
- Refutation
- P(a);N_SPINP(a),XB(F)
- Try
- B(F);
- Vars
- S(d);N_GUARD,XP(E)::B(F)
- S(d);N_GUARD::B(F)
- S(d);N_GUARD::B(F),XS(d)
- Refutation
- P(c);
- Try
- B(F);
- Vars
- S(d);N_GUARD,XP(E)::B(F)
- S(d);N_GUARD::B(F)
- S(d);N_GUARD::B(F),XS(d)
- Refutation
- P(c);
- Try
- B(F);
- Vars
- S(d);N_GUARD,XP(E)::B(F)
- S(d);N_GUARD::B(F)
- S(d);N_GUARD::B(F),XS(d)
- Refutation
- P(c);
- Try
- R(B);XP(a)
- Threat
- DUALS(4)
- Refutation
- P(c);XR(B)
- Try
- P(E);
- Vars
- S(d);N_GUARD::B(F)
- S(d);N_GUARD::B(F),XS(d)
- Refutation
- P(c);
- Try
- Actual
- S(C);
- Threat
- S(C)
- Vars
- K(b);P_SPINP(a),S_FLIGHT::QAR1(A)
- S(d);N_GUARD,XP(E)::B(F)
- P(a);OGATE,XS(C)::R1(B)
- P(a);OGATEB,XS(C)::B(F)
- P(c);::S(C),XP(c)
- S(d);N_GUARD::B(F)
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