MESON Chess Problem Database
Problem Display
PID: 244113 (8/8/8/n7/1p6/k7/BRQ5/2K5 w - - 0 1)
Belik, Nikolai Ivanovich
Problemist Pribuzhya, 1992
#2
4 + 3
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Sb3+
- 2.Qxb3#
- 1...Sc4
- 2.Qb3#
- 1...Sc6
- 2.Qb3#
- 1...Sb7
- 2.Qb3#
- 1...Sb3+
- Tries
- 1.Kb1?
- 1...Sb3
- 2.Qxb3#
- 1...Sc4
- 2.Qb3#
- 1...Sc6
- 2.Qb3#
- 1...Sb7
- 2.Qb3#
- 1...b3!
- 1...Sb3
- 1.Kd1?
- 1...Sb3
- 2.Qxb3#
- 1...Sc4
- 2.Qb3#
- 1...Sc6
- 2.Qb3#
- 1...Sb7
- 2.Qb3#
- 1...b3!
- 1...Sb3
- 1.Bb1?
- threat
- 2.Ra2#
- 1...Sb3+
- 2.Qxb3#
- 1...b3!
- threat
- 1.Bc4?
- threat
- 2.Ra2#
- 1...Sb3+
- 2.Qxb3#
- 1...b3!
- threat
- 1.Bd5?
- threat
- 2.Ra2#
- 1...Sb3+
- 2.Qxb3#
- 1...b3!
- threat
- 1.Be6?
- threat
- 2.Ra2#
- 1...Sb3+
- 2.Qxb3#
- 1...b3!
- threat
- 1.Bf7?
- threat
- 2.Ra2#
- 1...Sb3+
- 2.Qxb3#
- 1...b3!
- threat
- 1.Bg8?
- threat
- 2.Ra2#
- 1...Sb3+
- 2.Qxb3#
- 1...b3!
- threat
- 1.Rb1?
- 1...Sb3+
- 2.Qxb3#
- 1...Sc4
- 2.Qb3#
- 1...Sc6
- 2.Qb3#
- 1...Sb7
- 2.Qb3#
- 1...b3!
- 1...Sb3+
- 1.Rb3+?
- 1...Sxb3+
- 2.Qxb3#
- 1...Ka4!
- 1...Sxb3+
- 1.Rxb4?
- threat
- 2.Ra4#
- 2.Qa4#
- 2.Qb2#
- 1...Sb3+
- 2.Qxb3#
- 1...Sc4
- 2.Ra4#
- 2.Qb3#
- 2.Qa4#
- 1...Kxb4!
- threat
- 1.Qd1?
- 1...Sb3+
- 2.Qxb3#
- 1...Sc4
- 2.Qb3#
- 1...Sc6
- 2.Qb3#
- 1...Sb7
- 2.Qb3#
- 1...b3!
- 1...Sb3+
- 1.Qc3+?
- 1...Ka4
- 2.Rxb4#
- 2.Qxb4#
- 1...Sb3+
- 2.Qxb3#
- 1...b3
- 2.Qxa5#
- 1...bxc3!
- 1...Ka4
- 1.Kb1?
- Keys
- 1.Bb3!
- threat
- 2.Ra2#
- 1...Sxb3+
- 2.Qxb3#
- threat
- 1.Bb3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 3
- Sets
- S(c);CHECK,N_GUARD::QAR1(D),XS(c)
- S(c);N_GUARD::QAR1(D)
- Tries
- Try
- K(A);P-FLIGHT
- Vars
- S(c);N_GUARD::QAR1(D),XS(c)
- S(c);N_GUARD::QAR1(D)
- Refutation
- P(b);
- Try
- K(A);P-FLIGHT
- Vars
- S(c);N_GUARD::QAR1(D),XS(c)
- S(c);N_GUARD::QAR1(D)
- Refutation
- P(b);
- Try
- B(B);
- Threat
- R1(C)
- Vars
- S(c);CHECK,N_GUARD::QAR1(D),XS(c)
- Refutation
- P(b);
- Try
- B(B);
- Threat
- R1(C)
- Vars
- S(c);CHECK,N_GUARD::QAR1(D),XS(c)
- Refutation
- P(b);
- Try
- B(B);
- Threat
- R1(C)
- Vars
- S(c);CHECK,N_GUARD::QAR1(D),XS(c)
- Refutation
- P(b);
- Try
- B(B);
- Threat
- R1(C)
- Vars
- S(c);CHECK,N_GUARD::QAR1(D),XS(c)
- Refutation
- P(b);
- Try
- B(B);
- Threat
- R1(C)
- Vars
- S(c);CHECK,N_GUARD::QAR1(D),XS(c)
- Refutation
- P(b);
- Try
- B(B);
- Threat
- R1(C)
- Vars
- S(c);CHECK,N_GUARD::QAR1(D),XS(c)
- Refutation
- P(b);
- Try
- R(C);
- Vars
- S(c);CHECK,N_GUARD::QAR1(D),XS(c)
- S(c);N_GUARD::QAR1(D)
- Refutation
- P(b);
- Try
- R(C);CHECK
- Vars
- S(c);CHECK,OGATE,XR(C)::QAR1(D),XS(c)
- Refutation
- K(a);P-FLIGHT
- Try
- R(C);XP(b)
- Threat
- DUALS(3)
- Vars
- S(c);CHECK,N_GUARD::QAR1(D),XS(c)
- Refutation
- K(a);S_FLIGHT,XR(C)
- Try
- Q(D);
- Vars
- S(c);CHECK,N_GUARD::QAR1(D),XS(c)
- S(c);N_GUARD::QAR1(D)
- Refutation
- P(b);
- Try
- Q(D);CHECK
- Vars
- S(c);CHECK,N_GUARD,P_SPINS(c)::QAR1(D),XS(c)
- P(b);OGATE,P_SPINP(b)::QAR2(D),XS(c)
- Refutation
- P(b);XQ(D)
- Try
- Actual
- B(B);
- Threat
- R1(C)
- Vars
- S(c);CHECK,OGATE,XB(B)::QAR1(D),XS(c)
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