MESON Chess Problem Database
Problem Display
PID: 59133 (8/P7/n1r1PQBK/1PBk4/n1R2P1p/1P1pr2q/N3P1N1/3b4 w - - 0 1)
Zipf, Volker
2nd Prize, Troll, 1999-2000
#2
13 + 9
| 14503 | Problemschach-Jahrbuch (1999) | 2000 |
| 6166 | FIDE Album (1998-2000) | 2007 |
SOLUTION
- SOUND
- Sets
- 1...Qg4
- 2.Sxe3#
- 1...Qf5
- 2.Sxe3#
- 1...Qxe6
- 2.Qd4#
- 1...Qh1
- 2.Sxe3#
- 1...Qh2
- 2.Sxe3#
- 1...Rf3
- 2.Be4#
- 2.Qe5#
- 2.e4#
- 1...Rg3
- 2.Be4#
- 2.Qe5#
- 2.e4#
- 1...Re4
- 2.Bxe4#
- 1...Re5
- 2.Qxe5#
- 1...Rexe6
- 2.Qd4#
- 1...Rxc5
- 2.Rd4#
- 1...Rcxe6
- 2.Qd4#
- 1...Sb2
- 2.Sc3#
- 1...Sc3
- 2.Sxc3#
- 1...S4xc5
- 2.Rd4#
- 1...Sb6
- 2.Sc3#
- 1...Sb4
- 2.Sxb4#
- 1...S6xc5
- 2.Rd4#
- 1...Sc7
- 2.Sb4#
- 1...Sb8
- 2.Sb4#
- 1...Qg4
- Tries
- 1.Bf7?
- threat
- 2.Qd4#
- 1...Qxe6
- 2.Sxe3#
- 1...Rexe6
- 2.e4#
- 1...Rcxe6
- 2.a8Q#
- 2.a8B#
- 1...Re5
- 2.Qxe5#
- 1...Re4!
- threat
- 1.Qd8+?
- 1...Rd6
- 2.Qxd6#
- 1...Kxe6!
- 1...Rd6
- 1.Qf5+?
- 1...Re5
- 2.Qxe5#
- 2.e4#
- 1...Qxf5!
- 1...Re5
- 1.f5?
- threat
- 2.Sf4#
- 2.Qd4#
- 1...Qxg2
- 2.Qd4#
- 1...Qxf5
- 2.Sxe3#
- 1...Rxc5
- 2.Rd4#
- 2.Qd4#
- 1...Bxb3
- 2.Qd4#
- 1...S4xc5
- 2.Rd4#
- 2.Qd4#
- 1...S6xc5
- 2.Rd4#
- 2.Qd4#
- 1...Qg4
- 2.Sxe3#
- 1...Qh2
- 2.Sxe3#
- 2.Qd4#
- 1...Qf3
- 2.Qd4#
- 1...Qg3
- 2.Qd4#
- 1...Rf3
- 2.Qd4#
- 2.e4#
- 1...Re5
- 2.Sf4#
- 1...Re4!
- threat
- 1.a8Q?
- threat
- 2.Qxc6#
- 1...Qxe6
- 2.Qd4#
- 1...Rxe6
- 2.Qd4#
- 1...Sb4
- 2.Sxb4#
- 1...Sb8
- 2.Sb4#
- 1...Bxb3!
- threat
- 1.a8B?
- threat
- 2.Bxc6#
- 1...Qxe6
- 2.Qd4#
- 1...Rxe6
- 2.Qd4#
- 1...S4xc5
- 2.Rd4#
- 1...S6xc5
- 2.Rd4#
- 1...Sb4
- 2.Sxb4#
- 1...Sb8
- 2.Sb4#
- 1...Bxb3!
- threat
- 1.Bf7?
- Keys
- 1.Qe7!
- threat
- 2.Rd4#
- 1...Rxc5
- 2.Qd7#
- 1...S4xc5
- 2.Sc3#
- 1...S6xc5
- 2.Sb4#
- 1...Rd6
- 2.Qxd6#
- 1...Re4
- 2.Bxe4#
- threat
- 1.Qe7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 3
- ADDED MATES = 1
- REMOVED MATES = 14
- Sets
- Q(d);N_GUARD::S(C),XR(c)
- Q(d);SBLOCK,XP(I)::QAR1(J)
- R(c);N_GUARD::B(K),XR(c)
- R(c);N_GUARD::QAR1(J),XR(c)
- R(c);SBLOCK,XP(I)::QAR1(J)
- R(i);SBLOCK,XB(H)::R1(E)
- R(i);SBLOCK,XP(I)::QAR1(J)
- S(e);N_GUARD::S(A)
- S(e);N_GUARD::S(A),XS(e)
- S(e);SBLOCK,XB(H)::R1(E)
- S(h);N_GUARD::S(A),XS(h)
- S(h);SBLOCK,XB(H)::R1(E)
- S(h);N_GUARD::S(A)
- Tries
- Try
- B(K);
- Threat
- QAR1(J)
- Vars
- Q(d);N_GUARD,P_PINQ(J),P_SPINQ(d),XP(I)::S(C),XR(c)
- R(c);OGATE,P_PINQ(J),P_SPINR(c),XP(I)::P(B)
- R(i);P_PINQ(J),P_SPINR(i),XP(I)::P=Q
- R(c);N_GUARD::QAR1(J),XR(c)
- Refutation
- R(c);
- Try
- Q(J);CHECK
- Vars
- R(i);N_GUARD,P_SPINR(i)::QAR1(J),XR(i)
- Refutation
- K(g);S_FLIGHT,XP(I)
- Try
- Q(J);CHECK
- Refutation
- Q(d);XQ(J)
- Try
- P(F);
- Threat
- DUALS(2)
- Vars
- Q(d);XS(C)::QAR1(J)
- Q(d);N_GUARD,XP(F)::S(C),XR(c)
- B(a);XP(D)::QAR1(J)
- Q(d);N_GUARD::S(C),XR(c)
- Q(d);::QAR1(J)
- R(c);::S(C)
- Refutation
- R(c);
- Try
- P(M);P_PINR(i)
- Threat
- QAB1(M),XR(i)
- Vars
- Q(d);SBLOCK,XP(I)::QAR1(J)
- R(c);SBLOCK,XP(I)::QAR1(J)
- S(h);N_GUARD::S(A),XS(h)
- S(h);N_GUARD::S(A)
- Refutation
- B(a);XP(D)
- Try
- P(M);P_PINR(i)
- Threat
- B(M),XR(i)
- Vars
- Q(d);SBLOCK,XP(I)::QAR1(J)
- R(c);SBLOCK,XP(I)::QAR1(J)
- S(e);SBLOCK,XB(H)::R1(E)
- S(h);SBLOCK,XB(H)::R1(E)
- S(h);N_GUARD::S(A),XS(h)
- S(h);N_GUARD::S(A)
- Refutation
- B(a);XP(D)
- Try
- Actual
- Q(J);
- Threat
- R1(E)
- Vars
- R(i);N_GUARD,XB(H)::QAR2(J)
- S(e);N_GUARD,XB(H)::S(A)
- S(h);N_GUARD,XB(H)::S(A)
- R(i);N_GUARD::QAR1(J),XR(i)
- R(c);N_GUARD::B(K),XR(c)
Developed and maintained by Brian Stephenson.
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