MESON Chess Problem Database
Problem Display
PID: 263459 (8/1p2Kn2/3p4/N1Bk4/N1nr1pp1/2Q5/2B5/1R2Rbb1 w - - 0 1)
Kovacevic, Marjan
Vasilenko, Anatoly Grigorovich
Zadachi i Etyudi, 2009
#2
8 + 10
SOLUTION
- SOUND
- Sets
- 1...Rd1
- 2.Be4#
- 1...Rd2
- 2.Be4#
- 1...Rd3
- 2.Qxc4#
- 1...Re4+
- 2.Bxe4#
- 1...Bh2
- 2.Qxd4#
- 1...Sb2
- 2.Sb6#
- 1...Sd2
- 2.Sb6#
- 1...Sa3
- 2.Sb6#
- 1...Se3
- 2.Qxd4#
- 1...Sce5
- 2.Sb6#
- 1...Sb6
- 2.Sxb6#
- 1...Rd1
- Tries
- 1.Sb6+?
- 1...Kxc5
- 2.Qb4#
- 1...Sxb6!
- 1...Kxc5
- 1.Ba3?
- threat
- 2.Rb5#
- 1...Re4+
- 2.Bxe4#
- 1...Sxa3
- 2.Sb6#
- 1...Sxa5
- 2.Sb6#
- 1...Rd1
- 2.Be4#
- 1...Rd2
- 2.Be4#
- 1...Rd3
- 2.Qxc4#
- 1...Sb2
- 2.Sb6#
- 1...Sd2
- 2.Sb6#
- 1...Sce5
- 2.Sb6#
- 1...Sb6
- 2.Sxb6#
- 1...b5
- 2.Rxb5#
- 1...Se3!
- threat
- 1.Bxd4?
- threat
- 2.Be4#
- 2.Rb5#
- 1...Sxa5
- 2.Sb6#
- 2.Be4#
- 1...Be2
- 2.Rb5#
- 1...Bg2
- 2.Rb5#
- 2.Qxc4#
- 1...Bd3
- 2.Rb5#
- 1...Be3
- 2.Rb5#
- 1...Sb2
- 2.Sb6#
- 2.Be4#
- 1...Sd2
- 2.Sb6#
- 1...Sa3
- 2.Sb6#
- 2.Be4#
- 1...Se3
- 2.Sb6#
- 1...Sce5
- 2.Sb6#
- 2.Be4#
- 1...Sb6
- 2.Sxb6#
- 2.Be4#
- 1...Sg5
- 2.Rb5#
- 1...b5
- 2.Be4#
- 2.Rxb5#
- 1...Bxd4!
- threat
- 1.Bxd6?
- threat
- 2.Rb5#
- 1...Re4+
- 2.Bxe4#
- 1...Sxa5
- 2.Sb6#
- 2.Qc5#
- 1...Scxd6
- 2.Sb6#
- 2.Qc5#
- 1...Rd1
- 2.Be4#
- 1...Rd2
- 2.Be4#
- 1...Rd3
- 2.Qxc4#
- 1...Sb2
- 2.Sb6#
- 2.Qc5#
- 1...Sd2
- 2.Sb6#
- 2.Qc5#
- 1...Sa3
- 2.Sb6#
- 2.Qc5#
- 1...Se3
- 2.Sb6#
- 2.Qc5#
- 1...Sce5
- 2.Sb6#
- 2.Qc5#
- 1...Sb6
- 2.Sxb6#
- 2.Qc5#
- 1...b5
- 2.Rxb5#
- 1...Sfxd6!
- threat
- 1.Rb5?
- threat
- 2.Ba3#
- 2.Bb4#
- 2.Bxd4#
- 2.Bb6#
- 2.Bxd6#
- 2.Ba7#
- 1...Re4+
- 2.Bxe4#
- 1...dxc5
- 2.Rxc5#
- 1...Se3
- 2.Qxd4#
- 1...Rd1
- 2.Be4#
- 2.Bxg1#
- 2.Bf2#
- 2.Be3#
- 2.Bd4#
- 1...Rd2
- 2.Be4#
- 2.Bxg1#
- 2.Bf2#
- 2.Be3#
- 2.Bd4#
- 1...Rd3
- 2.Bxg1#
- 2.Bf2#
- 2.Bd4#
- 2.Qxc4#
- 1...Sb2
- 2.Sb6#
- 1...Sd2
- 2.Sb6#
- 1...Sa3
- 2.Sb6#
- 1...Sce5
- 2.Sb6#
- 1...Sb6
- 2.Sxb6#
- 1...b6
- 2.Ba3#
- 2.Bb4#
- 2.Bxd4#
- 2.Bxb6#
- 2.Bxd6#
- 1...Sxa5!
- threat
- 1.Qf3+?
- 1...Re4+
- 2.Qxe4#
- 1...gxf3!
- 1...Re4+
- 1.Sb6+?
- Keys
- 1.Ba7!
- threat
- 2.Rb5#
- 1...Re4+
- 2.Bxe4#
- 1...Sxa5
- 2.Sb6#
- 1...Se3
- 2.Qxd4#
- 1...Rd1
- 2.Be4#
- 1...Rd2
- 2.Be4#
- 1...Rd3
- 2.Qxc4#
- 1...Sb2
- 2.Sb6#
- 1...Sd2
- 2.Sb6#
- 1...Sa3
- 2.Sb6#
- 1...Sce5
- 2.Sb6#
- 1...Sb6
- 2.Sxb6#
- 1...b5
- 2.Rxb5#
- threat
- 1.Ba7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 1
- Sets
- R(d);N_GUARD::B(C)
- R(d);N_GUARD,S_CUTB(a)::QAB1(D),XS(c)
- R(d);CHECK,N_GUARD::B(C),XR(d)
- B(b);N_GUARD::QAR1(D),XR(d)
- S(c);N_GUARD::S(E)
- S(c);S_CUTB(b)::QAR1(D),XR(d)
- S(c);N_GUARD::S(E),XS(c)
- Tries
- Try
- S(E);CHECK
- Vars
- K(g);P-FLIGHT,P_SPINS(c),XB(G)::QAB1(D)
- Refutation
- S(c);XS(E)
- Try
- B(G);
- Threat
- R(A)
- Vars
- R(d);CHECK,N_GUARD::B(C),XR(d)
- S(c);N_GUARD,XB(G)::S(E)
- S(c);N_GUARD,XS(F)::S(E)
- R(d);N_GUARD::B(C)
- R(d);N_GUARD,S_CUTB(a)::QAB1(D),XS(c)
- S(c);N_GUARD::S(E)
- S(c);N_GUARD::S(E),XS(c)
- P(i);::R(A),XP(i)
- Refutation
- S(c);
- Try
- B(G);XR(d)
- Threat
- DUALS(2)
- Vars
- B(a);::R(A)
- B(b);::R(A)
- S(c);N_GUARD::S(E)
- S(j);::R(A)
- Refutation
- B(b);XB(G)
- Try
- B(G);XP(h)
- Threat
- R(A)
- Vars
- R(d);CHECK,N_GUARD::B(C),XR(d)
- R(d);N_GUARD::B(C)
- R(d);N_GUARD,S_CUTB(a)::QAB1(D),XS(c)
- P(i);::R(A),XP(i)
- Refutation
- S(j);XB(G)
- Try
- R(A);
- Threat
- DUALS(6)
- Vars
- R(d);CHECK,N_GUARD::B(C),XR(d)
- P(h);OGATE,P_SPINP(h),XB(G)::R1(A),XP(h)
- S(c);S_CUTB(b)::QAR1(D),XR(d)
- S(c);N_GUARD::S(E)
- S(c);N_GUARD::S(E),XS(c)
- Refutation
- S(c);XS(F)
- Try
- Q(D);CHECK
- Vars
- R(d);CHECK,N_GUARD,P_SPINR(d)::QAB1(D),XR(d)
- Refutation
- P(f);XQ(D)
- Try
- Actual
- B(G);
- Threat
- R(A)
- Vars
- R(d);CHECK,N_GUARD::B(C),XR(d)
- S(c);N_GUARD,XS(F)::S(E)
- S(c);S_CUTB(b)::QAR1(D),XR(d)
- R(d);N_GUARD::B(C)
- R(d);N_GUARD,S_CUTB(a)::QAB1(D),XS(c)
- S(c);N_GUARD::S(E)
- S(c);N_GUARD::S(E),XS(c)
- P(i);::R(A),XP(i)
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