MESON Chess Problem Database
Problem Display
PID: 254370 (b3rB1b/4nN2/Q7/P1pp1Bp1/2pkP3/KP1N1P2/2PPp1q1/6n1 w - - 0 1)
Doukhan, Gerard
Problemas, 2021
#2
12 + 12
SOLUTION
- SOUND
- Sets
- 1...Bf6
- 2.Qxf6#
- 1...Bg7
- 2.Bxg7#
- 1...Sxf5
- 2.Bxc5#
- 1...Sc6
- 2.Bxc5#
- 1...Sg6
- 2.Bxc5#
- 1...Sc8
- 2.Bxc5#
- 1...Sg8
- 2.Bxc5#
- 1...cxb3
- 2.c3#
- 1...cxd3
- 2.Qxd3#
- 2.c3#
- 1...dxe4
- 2.Qxc4#
- 1...Bf6
- Tries
- 1.Sc1?
- threat
- 2.c3#
- 1...dxe4
- 2.Qxc4#
- 1...c3
- 2.Qd3#
- 1...Qxf3!
- threat
- 1.Se1?
- threat
- 2.c3#
- 1...dxe4
- 2.Qxc4#
- 1...c3
- 2.Qd3#
- 1...Qxf3!
- threat
- 1.Sb2?
- threat
- 2.c3#
- 1...dxe4
- 2.Qxc4#
- 1...c3
- 2.Qd3#
- 1...Qxf3!
- threat
- 1.Sf4?
- threat
- 2.Se6#
- 2.c3#
- 1...Qxf3
- 2.Se6#
- 1...Sxf5
- 2.c3#
- 1...dxe4
- 2.Qxc4#
- 2.c3#
- 1...Sc6
- 2.c3#
- 1...Sg6
- 2.c3#
- 1...Sc8
- 2.c3#
- 1...Sg8
- 2.c3#
- 1...c3
- 2.Se6#
- 2.Qd3#
- 1...gxf4!
- threat
- 1.Qb5?
- threat
- 2.Qxc5#
- 1...cxd3
- 2.Qxd3#
- 2.c3#
- 1...Rc8!
- threat
- 1.Qb6?
- threat
- 2.Qxc5#
- 1...cxd3
- 2.c3#
- 1...Rc8!
- threat
- 1.Qd6?
- threat
- 2.Qxc5#
- 1...cxd3
- 2.c3#
- 1...Rc8!
- threat
- 1.Qa7?
- threat
- 2.Qxc5#
- 1...cxd3
- 2.c3#
- 1...Rc8!
- threat
- 1.exd5?
- threat
- 2.Qxc4#
- 1...Kxd5
- 2.Qd6#
- 1...Bxd5
- 2.c3#
- 1...cxd3
- 2.Qxd3#
- 2.Qc4#
- 1...c3
- 2.Qc4#
- 1...cxb3!
- threat
- 1.e5?
- threat
- 2.c3#
- 1...Sxf5
- 2.Bxc5#
- 1...c3!
- threat
- 1.Sc1?
- Keys
- 1.Sxc5!
- threat
- 2.Se6#
- 1...Kxc5
- 2.Qb6#
- 1...Sxf5
- 2.c3#
- 1...dxe4
- 2.Qxc4#
- 1...Sc6
- 2.c3#
- 1...Sg6
- 2.c3#
- 1...Sc8
- 2.c3#
- 1...Sg8
- 2.c3#
- threat
- 1.Sxc5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 5
- ADDED MATES = 1
- REMOVED MATES = 3
- Sets
- B(l);N_GUARD::QAB(J),XB(l)
- B(l);N_GUARD::B(L),XB(l)
- S(i);OGATE,XB(I)::B(L),XP(f)
- S(i);OGATE::B(L),XP(f)
- P(d);XP(D)::P(A)
- P(g);N_GUARD,XP(G)::QAR1(J),XP(d)
- Tries
- Try
- S(E);
- Threat
- P(A)
- Vars
- P(g);N_GUARD,XP(G)::QAR1(J),XP(d)
- P(d);OGATE::QAR1(J)
- Refutation
- Q(c);P_PINP(D),XP(F)
- Try
- S(E);
- Threat
- P(A)
- Vars
- P(g);N_GUARD,XP(G)::QAR1(J),XP(d)
- P(d);OGATE::QAR1(J)
- Refutation
- Q(c);P_PINP(D),XP(F)
- Try
- S(E);
- Threat
- P(A)
- Vars
- P(g);N_GUARD,XP(G)::QAR1(J),XP(d)
- P(d);OGATE::QAR1(J)
- Refutation
- Q(c);P_PINP(D),XP(F)
- Try
- S(E);
- Threat
- DUALS(2)
- Vars
- Q(c);P_PINP(D),XP(F)::S(E)
- S(i);XB(I)::P(A)
- S(i);::P(A)
- Refutation
- P(h);XS(E)
- Try
- Q(J);
- Threat
- QAB1(J),XP(f)
- Refutation
- R(k);
- Try
- Q(J);P_PINP(f)
- Threat
- QAB1(J),XP(f)
- Vars
- P(d);SBLOCK,XS(E)::P(A)
- Refutation
- R(k);
- Try
- Q(J);P_PINP(g)
- Threat
- QAB1(J),XP(f)
- Vars
- P(d);SBLOCK,XS(E)::P(A)
- Refutation
- R(k);
- Try
- Q(J);P_PINP(f)
- Threat
- QAB1(J),XP(f)
- Vars
- P(d);SBLOCK,XS(E)::P(A)
- Refutation
- R(k);
- Try
- P(G);XP(g)
- Threat
- QAR1(J),XP(d)
- Vars
- K(e);OGATEB,P-FLIGHT,XP(G)::QAR1(J)
- B(j);SBLOCK,XP(G)::P(A)
- P(d);::QAR1(J)
- Refutation
- P(d);XP(D)
- Try
- P(G);
- Threat
- P(A)
- Vars
- S(i);OGATE,XB(I)::B(L),XP(f)
- Refutation
- P(d);
- Try
- Actual
- S(E);XP(f)
- Threat
- S(E)
- Vars
- K(e);OGATEB,P_SPINS(i),S_FLIGHT,XS(E)::QAB1(J)
- S(i);XB(I)::P(A)
- P(g);N_GUARD,XP(G)::QAR1(J),XP(d)
- S(i);::P(A)
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