MESON Chess Problem Database
Problem Display
PID: 197040 (n7/8/Nrn2P2/1PPk1BbK/R2P3p/1PR2p2/2P5/1r4Q1 w - - 0 1)
Shanshin, Valery Yurevich
4th Prize, FIDE World Cup, 2018
#2
12 + 8
| 133 | The Problemist Supplement | 2019 |
SOLUTION
- SOUND
- Sets
- 1...Bc1
- 2.Qg8#
- 1...Bd2
- 2.Qg8#
- 1...Be3
- 2.Qg8#
- 1...Bf4
- 2.Qg8#
- 1...Bxf6
- 2.Qg8#
- 1...Bh6
- 2.Qg8#
- 1...Sb4
- 2.Sxb4#
- 1...Sxd4
- 2.Qxd4#
- 1...Sa5
- 2.Sb4#
- 1...Se5
- 2.Sb4#
- 1...Sa7
- 2.Sb4#
- 1...Se7
- 2.Sb4#
- 1...Sb8
- 2.Sb4#
- 1...Sd8
- 2.Sb4#
- 1...Sc7
- 2.Sxc7#
- 1...f2
- 2.Qg2#
- 1...Bc1
- Tries
- 1.Rd3?
- threat
- 2.c4#
- 1...Sxd4
- 2.Qxd4#
- 1...Sa5
- 2.Sb4#
- 1...Se5
- 2.Sb4#
- 1...Rc1!
- threat
- 1.Qh2?
- threat
- 2.Qd6#
- 1...Sxd4
- 2.Sb4#
- 1...Sb4
- 2.Qe5#
- 1...Sa5
- 2.Qe5#
- 1...Se5
- 2.Qxe5#
- 1...Sa7
- 2.Qe5#
- 1...Se7
- 2.Qe5#
- 1...Sb8
- 2.Qe5#
- 1...Sd8
- 2.Qe5#
- 1...Bf4!
- threat
- 1.Qe3?
- threat
- 2.Be6#
- 2.Qxf3#
- 2.Qe4#
- 2.Qe6#
- 1...Sxd4
- 2.Sb4#
- 2.Rxd4#
- 2.Qxd4#
- 2.Qe4#
- 1...Re1
- 2.Be6#
- 1...Rf1
- 2.Be6#
- 2.Qe4#
- 2.Qe6#
- 1...Sb4
- 2.Sxb4#
- 2.Qe4#
- 2.Qe5#
- 1...Sa5
- 2.Sb4#
- 2.Qxf3#
- 2.Qe4#
- 2.Qe5#
- 1...Se5
- 2.Sb4#
- 2.Qe4#
- 2.Qxe5#
- 1...Sa7
- 2.Sb4#
- 2.Qxf3#
- 2.Qe4#
- 2.Qe5#
- 1...Se7
- 2.Sb4#
- 2.Qxf3#
- 2.Qe4#
- 2.Qe5#
- 1...Sb8
- 2.Sb4#
- 2.Qxf3#
- 2.Qe4#
- 2.Qe5#
- 1...Sd8
- 2.Sb4#
- 2.Qxf3#
- 2.Qe4#
- 2.Qe5#
- 1...Sc7
- 2.Sxc7#
- 2.Qxf3#
- 2.Qe4#
- 1...f2
- 2.Be6#
- 2.Qf3#
- 2.Qe4#
- 2.Qe6#
- 1...Bxe3!
- threat
- 1.Qd1?
- threat
- 2.Qxf3#
- 1...Sxd4
- 2.Qxd4#
- 1...Sb4
- 2.Sxb4#
- 1...Se5
- 2.Sb4#
- 1...f2
- 2.Qf3#
- 1...Rxd1!
- threat
- 1.Qg3?
- threat
- 2.Qd6#
- 2.Qxf3#
- 1...Sxd4
- 2.Sb4#
- 1...Sb4
- 2.Qe5#
- 1...Re1
- 2.Qd6#
- 1...Rf1
- 2.Qd6#
- 1...Bf4
- 2.Qxf3#
- 2.Qg8#
- 1...Sa5
- 2.Qe5#
- 2.Qxf3#
- 1...Se5
- 2.Qxe5#
- 1...Sa7
- 2.Qe5#
- 2.Qxf3#
- 1...Se7
- 2.Qe5#
- 2.Qxf3#
- 1...Sb8
- 2.Qe5#
- 2.Qxf3#
- 1...Sd8
- 2.Qe5#
- 2.Qxf3#
- 1...f2
- 2.Qd6#
- 2.Qg2#
- 2.Qf3#
- 1...hxg3!
- threat
- 1.Qg4?
- threat
- 2.Be4#
- 2.Be6#
- 2.Qxf3#
- 2.Qe4#
- 1...Sxd4
- 2.Qxd4#
- 2.Qe4#
- 1...Rf1
- 2.Be4#
- 2.Be6#
- 2.Qe4#
- 1...Bf4
- 2.Qxf3#
- 2.Qg8#
- 1...Sb4
- 2.Sxb4#
- 2.Qe4#
- 1...Sa5
- 2.Sb4#
- 2.Be4#
- 2.Qxf3#
- 2.Qe4#
- 1...Se5
- 2.Sb4#
- 2.Be4#
- 2.Qe4#
- 1...Sa7
- 2.Sb4#
- 2.Be4#
- 2.Qxf3#
- 2.Qe4#
- 1...Se7
- 2.Sb4#
- 2.Be4#
- 2.Qxf3#
- 2.Qe4#
- 1...Sb8
- 2.Sb4#
- 2.Be4#
- 2.Qxf3#
- 2.Qe4#
- 1...Sd8
- 2.Sb4#
- 2.Be4#
- 2.Qxf3#
- 2.Qe4#
- 1...Sc7
- 2.Sxc7#
- 2.Be4#
- 2.Qxf3#
- 2.Qe4#
- 1...f2
- 2.Be4#
- 2.Be6#
- 2.Qf3#
- 2.Qg2#
- 2.Qe4#
- 1...Re1!
- threat
- 1.Rd3?
- Keys
- 1.Re3!
- threat
- 2.Be6#
- 1...Bxe3
- 2.Qg8#
- 1...Sxd4
- 2.c4#
- 1...Sb4
- 2.Re5#
- 1...Sa5
- 2.Re5#
- 1...Se5
- 2.Rxe5#
- 1...Sa7
- 2.Re5#
- 1...Se7
- 2.Re5#
- 1...Sb8
- 2.Re5#
- 1...Sd8
- 2.Re5#
- 1...Sc7
- 2.Sxc7#
- threat
- 1.Re3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 8
- ADDED MATES = 0
- REMOVED MATES = 6
- Sets
- B(e);OGATE::QAB(A)
- B(e);OGATE,XP(L)::QAB(A)
- S(g);N_GUARD::S(K),XS(g)
- S(g);OGATE,XP(F)::QAR1(A),XS(g)
- S(g);N_GUARD::S(K)
- S(h);N_GUARD::S(K),XS(h)
- P(b);OGATEB::QAB(A)
- Tries
- Try
- R(D);
- Threat
- P(B)
- Vars
- S(g);OGATE,P_SPINS(g),XP(F)::QAR1(A),XS(g)
- S(g);N_GUARD::S(K)
- Refutation
- R(a);
- Try
- Q(A);
- Threat
- QAR1(A)
- Vars
- S(g);N_GUARD,SBLOCK,XP(F)::S(K)
- S(g);N_GUARD::QAR1(A)
- S(g);N_GUARD::QAR1(A),XS(g)
- Refutation
- B(e);
- Try
- Q(A);
- Threat
- DUALS(4)
- Vars
- R(a);::B(I)
- Refutation
- B(e);XQ(A)
- Try
- Q(A);
- Threat
- QAB(A),XP(b)
- Vars
- S(g);OGATE,P_SPINS(g),XP(F)::QAR1(A),XS(g)
- S(g);N_GUARD::S(K),XS(g)
- S(g);N_GUARD::S(K)
- P(b);::QAB(A)
- Refutation
- R(a);XQ(A)
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- S(g);N_GUARD,SBLOCK,XP(F)::S(K)
- S(g);N_GUARD::QAR1(A)
- R(a);::QAR1(A)
- S(g);N_GUARD::QAR1(A),XS(g)
- Refutation
- P(c);XQ(A)
- Try
- Q(A);
- Threat
- DUALS(4)
- Refutation
- R(a);
- Try
- Actual
- R(D);
- Threat
- B(I)
- Vars
- B(e);OGATE,XR(D)::QAB(A)
- S(g);SBLOCK,XP(F)::P(B)
- S(g);N_GUARD::R1(D)
- S(g);N_GUARD::R1(D),XS(g)
- S(h);N_GUARD::S(K),XS(h)
Developed and maintained by Brian Stephenson.
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