MESON Chess Problem Database
Problem Display
PID: 80215 (KN2R3/P6Q/3k4/1r5p/1P3P1b/B4B1b/4N3/8 w - - 0 1)
Velimirovic, Milan
2nd HM., Mat Plus, 1995
#2
10 + 5
| 5929 | Mat Plus Special Issue | 2006 |
SOLUTION
- SOUND
- Sets
- 1...Rxb4
- 2.Bxb4#
- 1...Ra5
- 2.bxa5#
- 1...Rc5
- 2.bxc5#
- 1...Re5
- 2.fxe5#
- 1...Rf5
- 2.Qd7#
- 1...Rg5
- 2.Qe7#
- 1...Rb6
- 2.b5#
- 1...Rb7
- 2.b5#
- 1...Rxb8+
- 2.axb8Q#
- 2.axb8B#
- 1...Bf1
- 2.Qd7#
- 1...Bg2
- 2.Qd7#
- 1...Bd7
- 2.Qxd7#
- 1...Be1
- 2.Qe7#
- 1...Bf2
- 2.Qe7#
- 1...Bg3
- 2.Qe7#
- 1...Be7
- 2.Qxe7#
- 1...Rxb4
- Tries
- 1.Sd4?
- threat
- 2.Sxb5#
- 1...Rxb8+
- 2.axb8Q#
- 2.axb8B#
- 1...Rxb4
- 2.Bxb4#
- 1...Bd7
- 2.Qxd7#
- 1...Be7
- 2.Qxe7#
- 1...Ra5
- 2.bxa5#
- 1...Rc5
- 2.bxc5#
- 1...Re5
- 2.fxe5#
- 1...Rf5
- 2.Re6#
- 2.Qd7#
- 1...Rg5
- 2.Qe7#
- 1...Rb6
- 2.b5#
- 1...Rb7
- 2.b5#
- 1...Bf1
- 2.Re6#
- 2.Qd7#
- 1...Rd5!
- threat
- 1.Qb7?
- threat
- 2.Qc6#
- 1...Rc5
- 2.bxc5#
- 1...Rb6
- 2.Qxb6#
- 2.b5#
- 1...Bd7
- 2.Qxd7#
- 1...Rxb7!
- threat
- 1.f5?
- threat
- 2.Re6#
- 2.Qd7#
- 1...Rxb8+
- 2.axb8Q#
- 2.axb8B#
- 1...Rxb4
- 2.Bxb4#
- 1...Rxf5
- 2.Qd7#
- 1...Be7
- 2.Qxe7#
- 1...Re5
- 2.Qd7#
- 1...Rb7
- 2.Re6#
- 2.b5#
- 1...Bxf5!
- threat
- 1.Sd4?
- Keys
- 1.Sc3!
- threat
- 2.Sxb5#
- 1...Rxb8+
- 2.axb8Q#
- 2.axb8B#
- 1...Rxb4
- 2.Bxb4#
- 1...Bd7
- 2.Qxd7#
- 1...Be7
- 2.Qxe7#
- 1...Rd5
- 2.Se4#
- 1...Ra5
- 2.bxa5#
- 1...Rc5
- 2.bxc5#
- 1...Re5
- 2.fxe5#
- 1...Rf5
- 2.Qd7#
- 1...Rg5
- 2.Qe7#
- 1...Rb6
- 2.b5#
- 1...Rb7
- 2.b5#
- 1...Bf1
- 2.Qd7#
- threat
- 1.Sc3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 4
- Sets
- R(c);OGATE,P_SPINR(c),XP(D)::B(B),XR(c)
- R(c);OGATE,P_PINP(F)::B(B)+P(D),XR(c)
- R(c);OGATE::P(D),XR(c)
- R(c);OGATE::P(E),XR(c)
- R(c);S_CUTB(a)::QAR1(G)
- R(c);S_CUTB(b)::QAB1(G)
- R(c);OGATE::B(B)+P(D)
- R(c);CHECK,OGATE,XS(I)::PXR(c)=Q
- B(a);N_GUARD::QAR1(G)
- B(a);N_GUARD,P_PINB(C)::QAR1(G)
- B(a);N_GUARD::QAR1(G),XB(a)
- B(b);N_GUARD::QAB1(G)
- B(b);N_GUARD::QAB1(G),XB(b)
- Tries
- Try
- S(A);
- Threat
- S(A),XR(c)
- Vars
- R(c);CHECK,OGATE,XS(I)::PXR(c)=Q
- R(c);OGATE,P_SPINR(c),XP(D)::B(B),XR(c)
- B(a);N_GUARD::QAR1(G),XB(a)
- B(b);N_GUARD::QAB1(G),XB(b)
- R(c);OGATE,P_PINP(F)::B(B)+P(D),XR(c)
- R(c);OGATE::P(D),XR(c)
- R(c);OGATE::P(E),XR(c)
- R(c);S_CUTB(b)::QAB1(G)
- R(c);OGATE::B(B)+P(D)
- Refutation
- R(c);
- Try
- Q(G);
- Threat
- QAR1(G)
- Vars
- R(c);OGATE::P(D),XR(c)
- B(a);N_GUARD::QAR1(G),XB(a)
- Refutation
- R(c);XQ(G)
- Try
- P(E);
- Threat
- DUALS(2)
- Vars
- R(c);CHECK,OGATE,XS(I)::PXR(c)=Q
- R(c);OGATE,P_SPINR(c),XP(D)::B(B),XR(c)
- R(c);XP(E)::QAR1(G)
- B(b);N_GUARD::QAB1(G),XB(b)
- R(c);::QAR1(G)
- Refutation
- B(a);XP(E)
- Try
- Actual
- S(A);
- Threat
- S(A),XR(c)
- Vars
- R(c);CHECK,OGATE,XS(I)::PXR(c)=Q
- R(c);OGATE,P_SPINR(c),XP(D)::B(B),XR(c)
- B(a);N_GUARD::QAR1(G),XB(a)
- B(b);N_GUARD::QAB1(G),XB(b)
- R(c);SBLOCK::S(A)
- R(c);OGATE,P_PINP(F)::B(B)+P(D),XR(c)
- R(c);OGATE::P(D),XR(c)
- R(c);OGATE::P(E),XR(c)
- R(c);S_CUTB(a)::QAR1(G)
- R(c);S_CUTB(b)::QAB1(G)
- R(c);OGATE::B(B)+P(D)
- B(a);N_GUARD::QAR1(G)
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