MESON Chess Problem Database
Problem Display
PID: 211411 (1R3NB1/1RBP4/r1k5/pp5n/1P1p3q/1N1p2rp/P2P2PQ/K7 w - - 0 1)
Sizmin, G
Uralski Problemist, 1996
#2
13 + 10
SOLUTION
- SOUND
- Sets
- 1...Qg5
- 2.Sxd4#
- 1...Qe7
- 2.Sxd4#
- 1...Qd8
- 2.Sxd4#
- 1...Qe4
- 2.d8S#
- 1...Qf4
- 2.d8S#
- 1...Qg4
- 2.d8S#
- 1...Rxg2
- 2.Qd6#
- 1...Re3
- 2.Qd6#
- 1...Rf3
- 2.Qd6#
- 1...Rg4
- 2.Qd6#
- 1...Rg5
- 2.Qd6#
- 2.d8S#
- 1...Rg7
- 2.Qd6#
- 1...Rxg8
- 2.Qd6#
- 1...Rb6
- 2.Sxa5#
- 1...Sf4
- 2.Sxd4#
- 1...Sf6
- 2.d8S#
- 1...Qg5
- Tries
- 1.Be5?
- threat
- 2.Rc7#
- 1...Qd8
- 2.Sxd4#
- 1...Ra7
- 2.Rb6#
- 1...Rxg8!
- threat
- 1.Qg1?
- threat
- 2.Qc1#
- 1...Qg5
- 2.Sxd4#
- 1...Qe7
- 2.Sxd4#
- 1...Rg5
- 2.d8S#
- 1...Rxg8!
- threat
- 1.a4?
- threat
- 2.axb5#
- 1...Rxg8
- 2.Qd6#
- 1...bxa4
- 2.b5#
- 1...Qg5
- 2.Sxd4#
- 1...Rg5
- 2.Qd6#
- 2.d8S#
- 1...Rb6
- 2.Sxa5#
- 1...axb4!
- threat
- 1.d8Q?
- threat
- 2.Bd5#
- 2.Qd5#
- 2.Qd6#
- 2.Qd7#
- 2.Qe8#
- 1...Rxg8
- 2.Qhd6#
- 2.Qdd6#
- 2.Qd7#
- 1...Qf6
- 2.Bd5#
- 2.Qd5#
- 2.Qd7#
- 2.Qe8#
- 1...Qg5
- 2.Sxd4#
- 2.Qd6#
- 2.Qd7#
- 2.Qe8#
- 1...Qe7
- 2.Sxd4#
- 2.Bd5#
- 2.Qd5#
- 1...Qe4
- 2.Qd6#
- 2.Qd7#
- 1...Qf4
- 2.Bd5#
- 2.Qd5#
- 2.Qd7#
- 2.Qe8#
- 1...Qg4
- 2.Bd5#
- 2.Qd5#
- 2.Qd6#
- 1...Re3
- 2.Bd5#
- 2.Qhd6#
- 2.Qd5#
- 2.Qdd6#
- 2.Qd7#
- 1...Rg5
- 2.Qhd6#
- 2.Qdd6#
- 2.Qd7#
- 2.Qe8#
- 1...Rg6
- 2.Bd5#
- 2.Qd5#
- 2.Qd7#
- 2.Qe8#
- 1...Rg7
- 2.Bd5#
- 2.Qhd6#
- 2.Qd5#
- 2.Qdd6#
- 1...Sf4
- 2.Sxd4#
- 2.Qd6#
- 2.Qd7#
- 2.Qe8#
- 1...Sf6
- 2.Qd6#
- 1...Sg7
- 2.Bd5#
- 2.Qd5#
- 2.Qd6#
- 2.Qd7#
- 1...Qxd8!
- threat
- 1.d8R?
- threat
- 2.Bd5#
- 2.Rd6#
- 1...Rxg8
- 2.Rd6#
- 2.Qd6#
- 1...Qf6
- 2.Bd5#
- 1...Qg5
- 2.Sxd4#
- 2.Rd6#
- 1...Qe7
- 2.Sxd4#
- 2.Bd5#
- 1...Qe4
- 2.Rd6#
- 1...Qf4
- 2.Bd5#
- 1...Rg5
- 2.Rd6#
- 2.Qd6#
- 1...Rg6
- 2.Bd5#
- 1...Sf4
- 2.Sxd4#
- 2.Rd6#
- 1...Sf6
- 2.Rd6#
- 1...Qxd8!
- threat
- 1.Be5?
- Keys
- 1.Qh1!
- threat
- 2.Qc1#
- 1...Rxg8
- 2.g4#
- 1...Qg5
- 2.Sxd4#
- 1...Qe7
- 2.Sxd4#
- 1...Rg5
- 2.d8S#
- threat
- 1.Qh1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 1
- REMOVED MATES = 12
- Sets
- Q(e);N_GUARD::S(F),XP(d)
- Q(e);N_GUARD::P=S
- R(b);OGATE,XP(D)::QAR1(E)
- R(b);OGATE::QAR1(E)
- R(b);OGATE,XB(M)::QAR1(E)
- R(i);N_GUARD::S(F),XP(f)
- S(h);S_CUTQ(e)::S(F),XP(d)
- S(h);S_CUTQ(e)::P=S
- Tries
- Try
- B(I);
- Threat
- R1(H)
- Vars
- Q(e);N_GUARD::S(F),XP(d)
- R(i);N_GUARD::R1(H)
- Refutation
- R(b);XB(M)
- Try
- Q(E);
- Threat
- QAR(E)
- Vars
- Q(e);N_GUARD::S(F),XP(d)
- R(b);S_CUTQ(e)::P=S
- Refutation
- R(b);XB(M)
- Try
- P(B);
- Threat
- P(B),XP(g)
- Vars
- R(b);OGATE,XB(M)::QAR1(E)
- P(g);OGATE,XP(B)::P(G)
- Q(e);N_GUARD::S(F),XP(d)
- R(i);N_GUARD::S(F),XP(f)
- Refutation
- P(f);P_PINP(B),XP(G)
- Try
- P(J);
- Threat
- DUALS(5)
- Vars
- S(h);::QAR1(J)
- Refutation
- Q(e);XQ(J)
- Try
- P(J);
- Threat
- DUALS(2)
- Vars
- Q(e);::B(M)
- Q(e);::R1(J)
- R(b);::B(M)
- S(h);::R1(J)
- Refutation
- Q(e);XR(J)
- Try
- Actual
- Q(E);
- Threat
- QAR(E)
- Vars
- R(b);OGATE,XB(M)::QAB(E)+P(D)
- Q(e);N_GUARD::S(F),XP(d)
- R(b);S_CUTQ(e)::P=S
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