MESON Chess Problem Database
Problem Display
PID: 142883 (1Br1R3/5q2/2p5/3P2n1/3kNn1R/p2N4/Q2P4/5B1K w - - 0 1)
Flant, G
diagrammes, 1973
#2
10 + 7
SOLUTION
- SOUND
- Sets
- 1...Sg2
- 2.Be5#
- 1...Sfh3
- 2.Be5#
- 1...Sxd5
- 2.Be5#
- 1...Sh5
- 2.Be5#
- 1...Sfe6
- 2.Be5#
- 1...Sxe4
- 2.Be5#
- 1...Sg2
- Tries
- 1.Se1?
- threat
- 2.Sc2#
- 2.Qc4#
- 1...Qxd5
- 2.Sc2#
- 2.Qa1#
- 1...Qxe8
- 2.Qc4#
- 1...Rxe8
- 2.Qc4#
- 1...Sxe4
- 2.Qc4#
- 1...Qe6
- 2.Qc4#
- 1...Qe7
- 2.Qc4#
- 1...Sge6
- 2.Qc4#
- 1...Se2
- 2.Be5#
- 1...Sd3
- 2.Sc2#
- 1...cxd5!
- threat
- 1.Sdf2?
- threat
- 2.Be5#
- 2.Qc4#
- 1...Qxd5
- 2.Qa1#
- 1...Qxe8
- 2.Qc4#
- 1...Rxb8
- 2.Qc4#
- 1...Rxe8
- 2.Qc4#
- 1...Sxe4
- 2.Qc4#
- 1...cxd5
- 2.Be5#
- 1...Qe6
- 2.Qc4#
- 1...Qf5
- 2.Qc4#
- 1...Qf6
- 2.Qc4#
- 1...Qc7
- 2.Qc4#
- 1...Qe7
- 2.Qc4#
- 1...Qg7
- 2.Qc4#
- 1...Rc7
- 2.Qc4#
- 1...Se2
- 2.Be5#
- 1...Sfe6
- 2.Qc4#
- 1...Sg6
- 2.Qc4#
- 1...Sf3
- 2.Qc4#
- 1...Sge6
- 2.Qc4#
- 1...Sd3!
- threat
- 1.Sb4?
- threat
- 2.Sc2#
- 2.Qc4#
- 2.Qa1#
- 1...Qxd5
- 2.Sc2#
- 2.Qa1#
- 1...Qxe8
- 2.Qc4#
- 1...Rxe8
- 2.Qc4#
- 1...Sxd5
- 2.Sc2#
- 2.Be5#
- 2.Qc4#
- 1...Sxe4
- 2.Qc4#
- 1...Qe6
- 2.Qc4#
- 1...Qe7
- 2.Qc4#
- 1...Sge6
- 2.Qc4#
- 1...Se2
- 2.Be5#
- 1...Sd3
- 2.Sc2#
- 1...cxd5!
- threat
- 1.Sxf4?
- threat
- 2.Qc4#
- 2.Qa1#
- 1...Qxd5
- 2.Qa1#
- 1...Qxe8
- 2.Qc4#
- 1...Qxf4
- 2.Qc4#
- 1...Rxb8
- 2.Qc4#
- 1...Rxe8
- 2.Qc4#
- 1...Sxe4
- 2.Qc4#
- 1...Qe6
- 2.Qc4#
- 1...Qe7
- 2.Qc4#
- 1...Se6
- 2.Qc4#
- 1...Qb7
- 2.Qc4#
- 1...cxd5!
- threat
- 1.Sdc5?
- threat
- 2.Be5#
- 2.Qc4#
- 1...Qxd5
- 2.Qa1#
- 1...Qxe8
- 2.Qc4#
- 1...Rxb8
- 2.Qc4#
- 1...Rxe8
- 2.Qc4#
- 1...Sxe4
- 2.Qc4#
- 1...cxd5
- 2.Sb3#
- 2.Be5#
- 2.Qa1#
- 1...Qe6
- 2.Qc4#
- 1...Qf5
- 2.Qc4#
- 1...Qf6
- 2.Qc4#
- 1...Qc7
- 2.Qc4#
- 1...Qe7
- 2.Qc4#
- 1...Qg7
- 2.Qc4#
- 1...Rc7
- 2.Qc4#
- 1...Se2
- 2.Be5#
- 1...Sfe6
- 2.Qc4#
- 1...Sg6
- 2.Qc4#
- 1...Sf3
- 2.Qc4#
- 1...Sge6
- 2.Qc4#
- 1...Sd3!
- threat
- 1.Sd6?
- threat
- 2.Qc4#
- 1...cxd5
- 2.Sb5#
- 1...Qxd5+!
- threat
- 1.Bxf4?
- threat
- 2.Be3#
- 2.Be5#
- 1...Qxd5
- 2.Be3#
- 1...Qxe8
- 2.Be3#
- 1...Rxe8
- 2.Be3#
- 1...Qe6
- 2.Be3#
- 1...Qe7
- 2.Be3#
- 1...Qf5
- 2.Be3#
- 1...Qf6
- 2.Be3#
- 1...Qc7
- 2.Be3#
- 1...Qg7
- 2.Be3#
- 1...Sf3
- 2.Be3#
- 1...Qxf4!
- threat
- 1.Qa1+?
- 1...Kxd5
- 2.Sb4#
- 1...Kc4!
- 1...Kxd5
- 1.Qb2+?
- 1...Kc4
- 2.Sxf4#
- 1...Kxd5
- 2.Sb4#
- 1...axb2!
- 1...Kc4
- 1.Se1?
- Keys
- 1.Sc1!
- threat
- 2.Qc4#
- 1...Qxd5
- 2.Qa1#
- 1...cxd5
- 2.Sb3#
- 1...Se2
- 2.Be5#
- 1...Sd3
- 2.Se2#
- threat
- 1.Sc1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 6
- Sets
- S(c);::B(I)
- S(c);XP(H)::B(I)
- S(d);SBLOCK,XS(F)::B(I)
- Tries
- Try
- S(E);
- Threat
- DUALS(2)
- Vars
- Q(f);XR(J)::QAR1(C)
- R(g);XR(J)::QAR1(C)
- S(d);XS(F)::QAR1(C)
- Q(f);::QAR1(C)
- S(d);::QAR1(C)
- S(c);::B(I)
- S(c);::S(E)
- Refutation
- P(e);XP(H)
- Try
- S(E);
- Threat
- DUALS(2)
- Vars
- Q(f);P_PINS(F),SBLOCK,XP(H)::QAB(C)
- Q(f);XR(J)::QAR1(C)
- R(g);XB(I)::QAR1(C)
- R(g);XR(J)::QAR1(C)
- S(d);XS(F)::QAR1(C)
- P(e);XP(H)::B(I)
- Q(f);::QAR1(C)
- R(g);::QAR1(C)
- S(c);::B(I)
- S(c);::QAR1(C)
- S(d);::QAR1(C)
- Refutation
- S(c);
- Try
- S(E);
- Threat
- DUALS(3)
- Vars
- Q(f);XR(J)::QAR1(C)
- R(g);XR(J)::QAR1(C)
- S(d);XS(F)::QAR1(C)
- Q(f);::QAR1(C)
- S(d);::QAR1(C)
- S(c);::B(I)
- S(c);::S(E)
- Refutation
- P(e);XP(H)
- Try
- S(E);XS(c)
- Threat
- DUALS(2)
- Vars
- Q(f);P_PINS(F),XP(H)::QAB(C)
- Q(f);XR(J)::QAR1(C)
- Q(f);XS(E)::QAR1(C)
- R(g);XB(I)::QAR1(C)
- R(g);XR(J)::QAR1(C)
- S(d);XS(F)::QAR1(C)
- Q(f);::QAR1(C)
- S(d);::QAR1(C)
- Refutation
- P(e);XP(H)
- Try
- S(E);
- Threat
- DUALS(2)
- Vars
- Q(f);P_PINS(F),SBLOCK,XP(H)::QAB(C)
- Q(f);XR(J)::QAR1(C)
- R(g);XB(I)::QAR1(C)
- R(g);XR(J)::QAR1(C)
- S(d);XS(F)::QAR1(C)
- Q(f);::QAR1(C)
- R(g);::QAR1(C)
- S(c);::B(I)
- S(c);::QAR1(C)
- S(d);::QAR1(C)
- Refutation
- S(c);
- Try
- S(F);P_PINS(c)
- Threat
- QAR1(C)
- Vars
- P(e);N_GUARD,XP(H)::S(F)
- Refutation
- Q(f);CHECK,XP(H)
- Try
- B(I);XS(c)
- Threat
- DUALS(2)
- Vars
- Q(f);P_PINS(F),XP(H)::B(I)
- Q(f);XR(J)::B(I)
- R(g);XR(J)::B(I)
- Q(f);::B(I)
- S(d);::B(I)
- Refutation
- Q(f);XB(I)
- Try
- Q(C);CHECK
- Vars
- K(b);P-FLIGHT,XP(H)::S(E)
- Refutation
- K(b);P-FLIGHT
- Try
- Q(C);CHECK
- Vars
- K(b);P-FLIGHT::B(A)+S(E),XS(c)
- K(b);P-FLIGHT,XP(H)::S(E)
- Refutation
- P(a);XQ(C)
- Try
- Actual
- S(E);
- Threat
- QAR1(C)
- Vars
- Q(f);P_PINS(F),SBLOCK,XP(H)::QAB(C)
- P(e);SBLOCK,XP(H)::S(E)
- S(c);::B(I)
- S(c);N_GUARD,SBLOCK::S(E)
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