MESON Chess Problem Database
Problem Display
PID: 137167 (8/3N2P1/2Q1PK2/1nP5/R1nkN1pB/qR1bp3/2P2P2/6r1 w - - 0 1)
Kovacevic, Marjan
Mat Plus, 1995
#2
12 + 8
| 6490 | yacpdb | 2010 |
SOLUTION
- SOUND
- Sets
- 1...Qc1
- 2.Rxd3#
- 1...Qb2
- 2.Rxd3#
- 1...Qb4
- 2.Rxd3#
- 1...Qxc5
- 2.Rxd3#
- 1...Qa1
- 2.Rxd3#
- 1...Qa2
- 2.Rxd3#
- 1...Qxa4
- 2.Rxd3#
- 1...Bf1
- 2.fxe3#
- 1...Bxc2
- 2.fxe3#
- 1...Be2
- 2.fxe3#
- 1...Bxe4
- 2.fxe3#
- 1...Sd6
- 2.c3#
- 1...Sa7
- 2.c3#
- 1...Sc7
- 2.c3#
- 1...exf2
- 2.Bxf2#
- 1...Qc1
- Tries
- 1.Kg6?
- threat
- 2.Bf6#
- 1...Qxc5
- 2.Rxd3#
- 1...Qxa4
- 2.Rxd3#
- 1...exf2
- 2.Bxf2#
- 1...Qb4
- 2.Rxd3#
- 1...Bxe4+!
- threat
- 1.Ke7?
- threat
- 2.Bf6#
- 1...Qxa4
- 2.Rxd3#
- 1...exf2
- 2.Bxf2#
- 1...Qb4
- 2.Rxd3#
- 1...Qxc5+!
- threat
- 1.Kf7?
- threat
- 2.Bf6#
- 1...Qxc5
- 2.Rxd3#
- 1...Qxa4
- 2.Rxd3#
- 1...exf2
- 2.Bxf2#
- 1...Qb4
- 2.Rxd3#
- 1...Sd6+!
- threat
- 1.Sb6?
- threat
- 2.Qd5#
- 1...Qxc5
- 2.Rxd3#
- 1...Bxe4
- 2.Rxc4#
- 2.fxe3#
- 1...exf2
- 2.Bxf2#
- 1...Sc7
- 2.c3#
- 1...Sc3!
- threat
- 1.Bg3?
- threat
- 2.Be5#
- 1...Qxc5
- 2.Rxd3#
- 1...Qxa4
- 2.Rxd3#
- 1...exf2
- 2.Bxf2#
- 1...Qb4
- 2.Rxd3#
- 1...Rxg3!
- threat
- 1.Rxc4+?
- 1...Bxc4
- 2.fxe3#
- 1...Kxc4!
- 1...Bxc4
- 1.Kg6?
- Keys
- 1.Kf5!
- threat
- 2.Bf6#
- 1...Qxc5+
- 2.Qxc5#
- 1...Bxe4+
- 2.Qxe4#
- 1...Sd6+
- 2.Qxd6#
- 1...Qxa4
- 2.Rxd3#
- 1...exf2
- 2.Bxf2#
- 1...Qb4
- 2.Rxd3#
- threat
- 1.Kf5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 3
- ADDED MATES = 0
- REMOVED MATES = 9
- Sets
- Q(b);N_GUARD::R1(C),XB(c)
- Q(b);N_GUARD,N_SPINS(e)::R1(C),XB(c)
- Q(b);N_GUARD,XP(G)::R1(C),XB(c)
- Q(b);N_GUARD,N_SPINS(e),XR(D)::R1(C),XB(c)
- B(c);::P(B),XP(d)
- B(c);XP(A)::P(B),XP(d)
- B(c);XS(E)::P(B),XP(d)
- S(h);N_GUARD::P(A)
- P(d);OGATE,XP(B)::B(F),XP(d)
- Tries
- Try
- K(J);P-FLIGHT,P_SPINS(E)
- Threat
- B(F)
- Vars
- Q(b);N_GUARD,XP(G)::R1(C),XB(c)
- Q(b);N_GUARD,N_SPINS(e),XR(D)::R1(C),XB(c)
- P(d);OGATE,XP(B)::B(F),XP(d)
- Q(b);N_GUARD,N_SPINS(e)::R1(C),XB(c)
- Refutation
- B(c);CHECK,XS(E)
- Try
- K(J);P_SPINP(G),S_FLIGHT
- Threat
- B(F)
- Vars
- Q(b);N_GUARD,N_PINP(G),N_SPINS(e),XR(D)::R1(C),XB(c)
- P(d);OGATE,XP(B)::B(F),XP(d)
- Q(b);N_GUARD,N_SPINS(e)::R1(C),XB(c)
- Refutation
- Q(b);CHECK,XP(G)
- Try
- K(J);P-FLIGHT
- Threat
- B(F)
- Vars
- Q(b);N_GUARD,XP(G)::R1(C),XB(c)
- Q(b);N_GUARD,N_SPINS(e),XR(D)::R1(C),XB(c)
- P(d);OGATE,XP(B)::B(F),XP(d)
- Q(b);N_GUARD,N_SPINS(e)::R1(C),XB(c)
- Refutation
- S(h);CHECK
- Try
- S(K);
- Threat
- QAR1(H)
- Vars
- Q(b);N_GUARD,XP(G)::R1(C),XB(c)
- P(d);OGATE,XP(B)::B(F),XP(d)
- S(h);N_GUARD::P(A)
- Refutation
- S(h);
- Try
- B(F);
- Threat
- B(F)
- Vars
- Q(b);N_GUARD,XP(G)::R1(C),XB(c)
- Q(b);N_GUARD,N_SPINS(e),XR(D)::R1(C),XB(c)
- P(d);OGATE,XP(B)::B(F),XP(d)
- Q(b);N_GUARD,N_SPINS(e)::R1(C),XB(c)
- Refutation
- R(a);XB(F)
- Try
- R(D);CHECK,XS(e)
- Vars
- B(c);SBLOCK,XR(D)::P(B),XP(d)
- Refutation
- K(f);P-FLIGHT,XR(D)
- Try
- Actual
- K(J);P-FLIGHT,P_SPINS(E)
- Threat
- B(F)
- Vars
- Q(b);CHECK,OGATE,XP(G)::QAB1(H),XQ(b)
- B(c);CHECK,OGATE,XS(E)::QAR1(H),XB(c)
- S(h);CHECK,N_GUARD::QAR2(H),XS(h)
- Q(b);N_GUARD,N_SPINS(e),XR(D)::R1(C),XB(c)
- P(d);OGATE,XP(B)::B(F),XP(d)
- Q(b);N_GUARD,N_SPINS(e)::R1(C),XB(c)
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