MESON Chess Problem Database
Problem Display
PID: 249814 (1Q6/r1r5/p5R1/nb2kN2/6Rp/3pNp2/5B1p/1K2n3 w - - 0 1)
Kuligin, Nikolai Volodimirovich
Schweizerische Schachzeitung, 1996
#2
7 + 11
SOLUTION
- SOUND
- Sets
- 1...Ra8
- 2.Qxc7#
- 1...Bc4
- 2.Qb2#
- 1...Bc6
- 2.Qb2#
- 1...Bd7
- 2.Qh8#
- 1...h3
- 2.Bg3#
- 1...Ra8
- Tries
- 1.Sd4?
- threat
- 2.Re6#
- 1...Bd7
- 2.Qh8#
- 1...Bc4!
- threat
- 1.Sxh4?
- threat
- 2.Bg3#
- 1...Sg2
- 2.Sxf3#
- 1...h1S!
- threat
- 1.Sd6?
- threat
- 2.Sf7#
- 2.Re4#
- 1...Rc4
- 2.Sdxc4#
- 2.Sf7#
- 1...Rf7
- 2.Sdc4#
- 2.Sxf7#
- 2.Re4#
- 1...Bc4
- 2.Re4#
- 2.Qb2#
- 1...Bc6
- 2.Sf7#
- 2.Qb2#
- 1...Be8
- 2.Re4#
- 1...Rc1+!
- threat
- 1.Sh6?
- threat
- 2.Sf7#
- 1...Bc4
- 2.Qb2#
- 1...Be8!
- threat
- 1.Se7?
- threat
- 2.Qh8#
- 1...Ra8
- 2.Qxc7#
- 1...Be8!
- threat
- 1.Sg7?
- threat
- 2.Re6#
- 1...Bc4
- 2.Qb2#
- 1...Bd7!
- threat
- 1.Qxb5+?
- 1...Rc5
- 2.Qxc5#
- 1...axb5!
- 1...Rc5
- 1.Qb6?
- threat
- 2.Re6#
- 2.Qd4#
- 2.Qd6#
- 2.Qe6#
- 2.Qf6#
- 1...Rc4
- 2.Re6#
- 2.Qd6#
- 2.Qe6#
- 2.Qf6#
- 1...Rc5
- 2.Re6#
- 2.Qxc5#
- 2.Qd6#
- 2.Qe6#
- 2.Qf6#
- 1...Rc6
- 2.Qd4#
- 1...Rd7
- 2.Re6#
- 2.Qe6#
- 2.Qf6#
- 1...Re7
- 2.Qd4#
- 2.Qc5#
- 2.Qd6#
- 2.Qf6#
- 1...Rf7
- 2.Re6#
- 2.Qd4#
- 2.Qc5#
- 2.Qd6#
- 2.Qe6#
- 1...Bc4
- 2.Qd4#
- 2.Qb2#
- 2.Qd6#
- 2.Qf6#
- 1...Bc6
- 2.Qd4#
- 2.Qb2#
- 1...Bd7
- 2.Qd4#
- 2.Qd6#
- 2.Qf6#
- 1...Sc2
- 2.Re6#
- 2.Qd6#
- 2.Qe6#
- 2.Qf6#
- 1...Sb3
- 2.Re6#
- 2.Qd6#
- 2.Qe6#
- 2.Qf6#
- 1...Sc4
- 2.Re6#
- 2.Qd4#
- 2.Qe6#
- 2.Qf6#
- 1...Sc6
- 2.Qc5#
- 1...Sb7
- 2.Re6#
- 2.Qd4#
- 2.Qe6#
- 2.Qf6#
- 1...Rc1+!
- threat
- 1.Qd8?
- threat
- 2.Qf6#
- 2.Qd4#
- 2.Qd5#
- 2.Qd6#
- 1...Rc4
- 2.Qf6#
- 2.Qd5#
- 2.Qd6#
- 1...Rc5
- 2.Qf6#
- 2.Qd4#
- 2.Qd6#
- 1...Rc6
- 2.Qd4#
- 2.Qd5#
- 1...Rd7
- 2.Qf6#
- 1...Re7
- 2.Qd4#
- 2.Qd5#
- 2.Qd6#
- 1...Rf7
- 2.Qd4#
- 2.Qd5#
- 2.Qd6#
- 1...Bc4
- 2.Qf6#
- 2.Qd4#
- 2.Qd6#
- 1...Bc6
- 2.Qf6#
- 2.Qd4#
- 2.Qd6#
- 1...Bd7
- 2.Qf6#
- 2.Qh8#
- 1...Sc2
- 2.Qf6#
- 2.Qd5#
- 2.Qd6#
- 1...Sb3
- 2.Qf6#
- 2.Qd5#
- 2.Qd6#
- 1...Sc4
- 2.Qf6#
- 2.Qd4#
- 2.Qd5#
- 1...Sc6
- 2.Qf6#
- 2.Qd5#
- 2.Qd6#
- 1...Sb7
- 2.Qf6#
- 2.Qd4#
- 2.Qd5#
- 1...Rc1+!
- threat
- 1.Sd4?
- Keys
- 1.Sg3!
- threat
- 2.Re4#
- 1...hxg3
- 2.Bxg3#
- 1...Bc6
- 2.Qb2#
- threat
- 1.Sg3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 4
- Sets
- R(j);N_GUARD::QAB(G),XR(k)
- B(g);OGATE::QAB(G)
- B(g);::QAB(G)
- P(e);N_GUARD::B(B)
- Tries
- Try
- S(E);
- Threat
- R1(F)
- Vars
- B(g);::QAB(G)
- Refutation
- B(g);
- Try
- S(E);XP(e)
- Threat
- B(B)
- Vars
- S(a);N_GUARD::S(E),XP(d)
- Refutation
- P(b);
- Try
- S(E);N_PINR(k)
- Threat
- DUALS(2)
- Vars
- B(g);::R1(D)
- Refutation
- R(k);CHECK
- Try
- S(E);
- Threat
- S(E)
- Vars
- B(g);OGATE::QAB(G)
- Refutation
- B(g);
- Try
- S(E);
- Threat
- QAB(G)
- Vars
- R(j);N_GUARD::QAB(G),XR(k)
- Refutation
- B(g);
- Try
- S(E);
- Threat
- R1(F)
- Vars
- B(g);OGATE::QAB(G)
- Refutation
- B(g);
- Try
- Q(G);CHECK,N_PINR(k),XB(g)
- Vars
- R(k);N_GUARD,P_SPINR(k)::QAR2(G),XR(k)
- Refutation
- P(i);XQ(G)
- Try
- Q(G);N_PINR(k)
- Threat
- DUALS(5)
- Vars
- R(k);::QAB1(G)
- S(f);S_CUTR(k)::QAR2(G)
- Refutation
- R(k);CHECK
- Try
- Q(G);N_PINR(k)
- Threat
- DUALS(4)
- Vars
- R(k);::QAB1(G)
- Refutation
- R(k);CHECK
- Try
- Actual
- S(E);
- Threat
- R1(D)
- Vars
- P(e);OGATE,XS(E)::B(B),XP(e)
- B(g);OGATE::QAB(G)
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