MESON Chess Problem Database
Problem Display
PID: 150260 (1b1Q4/3r2pb/p1p1N3/8/3NkPR1/R5p1/Bp2KP1n/5n2 w - - 0 1)
Vasilenko, Anatoly Grigorovich
4th Prize, FIDE World Cup, 2011
#2
9 + 11
| 23 | Die Schwalbe | 2013 |
| 56 | The Problemist | 2017 |
SOLUTION
- SOUND
- Sets
- 1...Rd5
- 2.Bb1#
- 1...Ra7
- 2.Sc5#
- 2.Sg5#
- 2.Bb1#
- 1...Rb7
- 2.Sc5#
- 2.Sg5#
- 2.Bb1#
- 1...Rc7
- 2.Sc5#
- 2.Sg5#
- 2.Bb1#
- 1...Re7
- 2.Sc5#
- 2.Sg5#
- 2.Bb1#
- 1...Rf7
- 2.Sc5#
- 2.Sg5#
- 2.Bb1#
- 1...Sd2
- 2.Re3#
- 1...Se3
- 2.Rxe3#
- 1...Sxg4
- 2.f3#
- 1...Rd5
- Tries
- 1.Ra4?
- threat
- 2.Sc5#
- 2.Sg5#
- 1...Rxd4
- 2.Bb1#
- 1...Sxg4
- 2.f3#
- 1...Rd5
- 2.Bb1#
- 1...Bd6
- 2.Sg5#
- 1...Ba7
- 2.Sg5#
- 1...Sf3
- 2.Sc5#
- 1...c5
- 2.Sxc5#
- 2.Sg5#
- 1...g5
- 2.Sc5#
- 2.Sxg5#
- 1...Bxf4!
- threat
- 1.Rg5?
- threat
- 2.Bb1#
- 1...Rxd4
- 2.Qxd4#
- 1...b1Q
- 2.Bxb1#
- 1...b1S
- 2.Bxb1#
- 1...b1B
- 2.Bxb1#
- 1...b1R
- 2.Bxb1#
- 1...Be5
- 2.Rxe5#
- 1...Sd2
- 2.Re3#
- 1...Se3
- 2.Rxe3#
- 1...Bf5!
- threat
- 1.Qa5?
- threat
- 2.Bb1#
- 1...Rxd4
- 2.Sg5#
- 1...b1Q
- 2.Bxb1#
- 1...b1S
- 2.Bxb1#
- 1...b1B
- 2.Bxb1#
- 1...b1R
- 2.Bxb1#
- 1...Sd2
- 2.Re3#
- 1...Se3
- 2.Rxe3#
- 1...c5!
- threat
- 1.Qf6?
- threat
- 2.Sc5#
- 2.Sg5#
- 1...Rd5
- 2.Bb1#
- 1...Be5
- 2.Qxe5#
- 1...Bd6
- 2.Sg5#
- 1...Ba7
- 2.Sg5#
- 2.Qe5#
- 1...Sf3
- 2.Sc5#
- 1...c5
- 2.Sxc5#
- 2.Sg5#
- 1...g5
- 2.Sc5#
- 2.Sxg5#
- 1...gxf6!
- threat
- 1.Qxd7?
- threat
- 2.Sc5#
- 2.Sg5#
- 2.Bb1#
- 2.Qxc6#
- 1...Sxg4
- 2.Bb1#
- 2.Qxc6#
- 2.f3#
- 1...b1Q
- 2.Sc5#
- 2.Sg5#
- 2.Bxb1#
- 2.Qxc6#
- 1...b1S
- 2.Sc5#
- 2.Sg5#
- 2.Bxb1#
- 2.Qxc6#
- 1...b1B
- 2.Sc5#
- 2.Sg5#
- 2.Bxb1#
- 2.Qxc6#
- 1...b1R
- 2.Sc5#
- 2.Sg5#
- 2.Bxb1#
- 2.Qxc6#
- 1...Bd6
- 2.Qxc6#
- 1...Ba7
- 2.Sg5#
- 2.Bb1#
- 2.Qxc6#
- 1...Sd2
- 2.Sc5#
- 2.Sg5#
- 2.Re3#
- 2.Qxc6#
- 1...Se3
- 2.Sc5#
- 2.Sg5#
- 2.Rxe3#
- 1...Sf3
- 2.Sc5#
- 2.Bb1#
- 2.Qxc6#
- 1...c5
- 2.Sxc5#
- 2.Sg5#
- 2.Bb1#
- 2.Bd5#
- 2.Qc6#
- 2.Qd5#
- 2.Qb7#
- 1...g5
- 2.Sc5#
- 2.Sxg5#
- 2.Bb1#
- 2.Qxc6#
- 2.Qxh7#
- 1...Bxf4!
- threat
- 1.Ra4?
- Keys
- 1.Qg5!
- threat
- 2.Bb1#
- 1...Rxd4
- 2.Sc5#
- 1...b1Q
- 2.Bxb1#
- 1...b1S
- 2.Bxb1#
- 1...b1B
- 2.Bxb1#
- 1...b1R
- 2.Bxb1#
- 1...Bf5
- 2.Qxf5#
- 1...Be5
- 2.Qxe5#
- 1...Sd2
- 2.Re3#
- 1...Se3
- 2.Rxe3#
- threat
- 1.Qg5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 7
- REMOVED MATES = 2
- Sets
- R(h);::B(A)
- S(a);N_GUARD::R1(D)
- S(a);N_GUARD::R1(D),XS(a)
- S(c);N_GUARD,XR(G)::P(C)
- Tries
- Try
- R(D);
- Threat
- DUALS(2)
- Vars
- R(h);P_SPINR(h),XS(E)::B(A)
- S(c);N_GUARD,XR(G)::P(C)
- R(h);::B(A)
- B(k);::S(H)
- S(c);::S(H)
- Refutation
- B(k);P_SPINB(k),XP(F)
- Try
- R(G);
- Threat
- B(A)
- Vars
- R(h);OGATE,XS(E)::QAR1(I),XR(h)
- P(b);::B(A),XQ(b)
- P(b);::B(A),XS(b)
- P(b);::B(A),XB(b)
- P(b);::B(A),XR(b)
- B(k);N_GUARD::R1(G),XB(k)
- S(a);N_GUARD::R1(D)
- S(a);N_GUARD::R1(D),XS(a)
- Refutation
- B(j);
- Try
- Q(I);
- Threat
- B(A)
- Vars
- R(h);SBLOCK,XS(E)::S(H)
- P(b);::B(A),XQ(b)
- P(b);::B(A),XS(b)
- P(b);::B(A),XB(b)
- P(b);::B(A),XR(b)
- S(a);N_GUARD::R1(D)
- S(a);N_GUARD::R1(D),XS(a)
- Refutation
- P(g);
- Try
- Q(I);
- Threat
- DUALS(2)
- Vars
- R(h);SBLOCK::B(A)
- B(k);N_GUARD::QAR1(I),XB(k)
- B(k);::S(H)
- S(c);::S(H)
- Refutation
- P(i);XQ(I)
- Try
- Q(I);XR(h)
- Threat
- DUALS(4)
- Vars
- B(k);::QAB(I),XP(g)
- Refutation
- B(k);P_SPINB(k),XP(F)
- Try
- Actual
- Q(I);
- Threat
- B(A)
- Vars
- R(h);SBLOCK,XS(E)::S(H)
- P(b);::B(A),XQ(b)
- P(b);::B(A),XS(b)
- P(b);::B(A),XB(b)
- P(b);::B(A),XR(b)
- B(j);N_GUARD::QAB1(I),XB(j)
- B(k);N_GUARD::QAR1(I),XB(k)
- S(a);N_GUARD::R1(D)
- S(a);N_GUARD::R1(D),XS(a)
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