MESON Chess Problem Database
Problem Display
PID: 264521 (rB6/1p3N1K/4p2p/4nk1B/1Q2NPp1/3R4/2P5/5n1r w - - 0 1)
Paslack, Rainer
The Problemist, 1993
#2
9 + 9
SOLUTION
- SOUND
- Sets
- 1...Kxf4
- 2.Sg3#
- 1...Sxd3
- 2.Sxh6#
- 2.Bg6#
- 1...Sf3
- 2.Sxh6#
- 2.Bg6#
- 1...Sc4
- 2.Bg6#
- 1...Sc6
- 2.Sxh6#
- 2.Bg6#
- 1...Sg6
- 2.Sxh6#
- 2.Bxg6#
- 1...Sd7
- 2.Sxh6#
- 2.Bg6#
- 1...Sxf7
- 2.Bg6#
- 1...Kxf4
- Tries
- 1.Kg7?
- threat
- 2.Sed6#
- 1...Kxf4
- 2.Sg3#
- 1...Sxf7
- 2.Bg6#
- 1...Sc4
- 2.Bg6#
- 1...Ra6!
- threat
- 1.Sg3+?
- 1...Kf6
- 2.Bxe5#
- 2.fxe5#
- 1...Sxg3!
- 1...Kf6
- 1.Bg6+?
- 1...Kxf4
- 2.Sd2#
- 2.Sf2#
- 2.Sc3#
- 2.Sg3#
- 2.Sc5#
- 2.Seg5#
- 2.Sf6#
- 2.Bxe5#
- 1...Sxg6!
- 1...Kxf4
- 1.Bxe5?
- threat
- 2.Sed6#
- 2.Sfd6#
- 2.Sxh6#
- 2.Bg6#
- 1...Rxh5
- 2.Sed6#
- 2.Sfd6#
- 1...Ra6
- 2.Sxh6#
- 2.Bg6#
- 1...Rd8
- 2.Sxh6#
- 2.Bg6#
- 1...Rg8
- 2.Sed6#
- 2.Sfd6#
- 2.Sxh6#
- 1...g3
- 2.Sed6#
- 2.Sfd6#
- 2.Sxh6#
- 1...Rh8+!
- threat
- 1.Rf3?
- threat
- 2.Sfd6#
- 2.Sxh6#
- 1...Rxh5
- 2.Sfd6#
- 1...Sxf3
- 2.Sxh6#
- 2.Bg6#
- 1...Sxf7
- 2.Bg6#
- 1...Sc4
- 2.Bg6#
- 1...Ra6
- 2.Sxh6#
- 1...gxf3!
- threat
- 1.Qc3?
- threat
- 2.Qxe5#
- 1...Kxe4
- 2.Qxe5#
- 1...Kxf4
- 2.Qxe5#
- 1...Sxd3
- 2.Bg6#
- 1...Sxf7
- 2.Bg6#
- 1...Sf3
- 2.Bg6#
- 1...Sc4
- 2.Bg6#
- 1...Sc6
- 2.Bg6#
- 1...Sg6
- 2.Bxg6#
- 1...Sd7
- 2.Bg6#
- 1...Ra5!
- threat
- 1.Qc5?
- threat
- 2.Qxe5#
- 1...Kxe4
- 2.Qxe5#
- 1...Kxf4
- 2.Qxe5#
- 1...Ra5!
- threat
- 1.Qd6?
- threat
- 2.Qxe5#
- 1...Kxe4
- 2.Qxe5#
- 1...Kxf4
- 2.Qxe5#
- 1...Sxd3
- 2.Bg6#
- 1...Sxf7
- 2.Bg6#
- 1...Sf3
- 2.Bg6#
- 1...Sc4
- 2.Bg6#
- 1...Sc6
- 2.Bg6#
- 1...Sg6
- 2.Bxg6#
- 1...Sd7
- 2.Bg6#
- 1...Ra5!
- threat
- 1.Qb2?
- threat
- 2.Qxe5#
- 1...Kxe4
- 2.Qxe5#
- 1...Kxf4
- 2.Qxe5#
- 1...Sxd3
- 2.Bg6#
- 1...Sxf7
- 2.Bg6#
- 1...Sf3
- 2.Bg6#
- 1...Sc4
- 2.Bg6#
- 1...Sc6
- 2.Bg6#
- 1...Sg6
- 2.Bxg6#
- 1...Sd7
- 2.Bg6#
- 1...Ra5!
- threat
- 1.Qd4?
- threat
- 2.Qxe5#
- 1...Kxf4
- 2.Sg3#
- 2.Sed6#
- 2.Qxe5#
- 1...Sxd3
- 2.Sed6#
- 2.Sxh6#
- 2.Bg6#
- 1...Sxf7
- 2.Bg6#
- 1...Sf3
- 2.Sed6#
- 2.Sxh6#
- 2.Bg6#
- 1...Sc4
- 2.Sxh6#
- 2.Bg6#
- 1...Sc6
- 2.Sed6#
- 2.Sxh6#
- 2.Bg6#
- 1...Sg6
- 2.Sed6#
- 2.Sxh6#
- 2.Bxg6#
- 1...Sd7
- 2.Sed6#
- 2.Sxh6#
- 2.Bg6#
- 1...Ra5!
- threat
- 1.Qb5?
- threat
- 2.Qxe5#
- 1...Kxe4
- 2.Qxe5#
- 1...Kxf4
- 2.Qxe5#
- 1...Ra5!
- threat
- 1.fxe5?
- threat
- 2.Sed6#
- 1...Kf4
- 2.Sg3#
- 2.Sed6#
- 1...Ra6!
- threat
- 1.Kg7?
- Keys
- 1.Qf8!
- threat
- 2.Sfd6#
- 1...Kxe4
- 2.Sd6#
- 1...Kxf4
- 2.Sfg5#
- 1...Sxf7
- 2.Bg6#
- threat
- 1.Qf8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 1
- REMOVED MATES = 1
- Sets
- K(e);N_GUARD,P-FLIGHT,P_SPINS(d),S_CUTS(a),XP(E)::QAR(C)+S(D)
- S(d);N_GUARD::B(F)
- S(d);N_GUARD,XS(G)::B(F)
- Tries
- Try
- K(H);P-FLIGHT
- Threat
- S(D)
- Vars
- K(e);P-FLIGHT,P_SPINS(d),S_CUTS(a),XP(E)::QAR(C)+S(D)
- S(d);N_GUARD,XS(G)::B(F)
- S(d);N_GUARD::B(F)
- Refutation
- R(i);
- Try
- S(D);CHECK
- Refutation
- S(a);XS(D)
- Try
- B(F);CHECK
- Refutation
- S(d);XB(F)
- Try
- B(I);XS(d)
- Threat
- DUALS(4)
- Refutation
- R(i);CHECK
- Try
- R(B);
- Threat
- DUALS(2)
- Vars
- R(b);XB(F)::S(G)
- S(d);N_GUARD,XS(G)::B(F)
- S(d);N_GUARD::B(F)
- R(i);::S(G),XP(g)
- Refutation
- P(c);XR(B)
- Try
- Q(C);
- Threat
- QAR1(C),XS(d)
- Vars
- K(e);S_FLIGHT,XS(D)::QAR1(C),XS(d)
- K(e);P-FLIGHT,P_SPINS(d),XP(E)::QAB1(C),XS(d)
- S(d);N_GUARD,XR(B)::B(F)
- S(d);N_GUARD,XS(G)::B(F)
- S(d);N_GUARD::B(F)
- S(d);N_GUARD::B(F),XS(d)
- Refutation
- R(i);
- Try
- Q(C);P_PINS(d)
- Threat
- QAR1(C),XS(d)
- Vars
- K(e);N_SPINS(d),S_FLIGHT,XS(D)::QAR1(C),XS(d)
- K(e);P-FLIGHT,XP(E)::QAB1(C),XS(d)
- Refutation
- R(i);
- Try
- Q(C);
- Threat
- QAR1(C),XS(d)
- Vars
- K(e);S_FLIGHT,XS(D)::QAR1(C),XS(d)
- K(e);P-FLIGHT,P_SPINS(d),XP(E)::QAB1(C),XS(d)
- S(d);N_GUARD,XR(B)::B(F)
- S(d);N_GUARD,XS(G)::B(F)
- S(d);N_GUARD::B(F)
- S(d);N_GUARD::B(F),XS(d)
- Refutation
- R(i);
- Try
- Q(C);
- Threat
- QAR1(C),XS(d)
- Vars
- K(e);S_FLIGHT,XS(D)::QAR1(C),XS(d)
- K(e);P-FLIGHT,P_SPINS(d),XP(E)::QAB1(C),XS(d)
- S(d);N_GUARD,XR(B)::B(F)
- S(d);N_GUARD,XS(G)::B(F)
- S(d);N_GUARD::B(F)
- S(d);N_GUARD::B(F),XS(d)
- Refutation
- R(i);
- Try
- Q(C);
- Threat
- QAR1(C),XS(d)
- Vars
- S(d);N_GUARD,XS(G)::B(F)
- Refutation
- R(i);
- Try
- Q(C);P_PINS(d)
- Threat
- QAR1(C),XS(d)
- Vars
- K(e);N_SPINS(d),S_FLIGHT,XS(D)::QAR1(C),XS(d)
- K(e);P-FLIGHT,XP(E)::QAB1(C),XS(d)
- Refutation
- R(i);
- Try
- P(E);XS(d)
- Threat
- S(D)
- Refutation
- R(i);
- Try
- Actual
- Q(C);
- Threat
- QAR(C)+S(G),DCHECK
- Vars
- K(e);S_FLIGHT,XS(D)::S(G)
- K(e);P-FLIGHT,P_SPINS(d),XP(E)::QAR(C)+S(G)
- S(d);N_GUARD,P_SPINS(d),XS(G)::B(F)
Developed and maintained by Brian Stephenson.
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