MESON Chess Problem Database
Problem Display
PID: 39884 (2b1q1r1/3B4/p4P1B/3PNpp1/2K1pkNR/2pPRP2/1Q5P/6b1 w - - 0 1)
Dyachuk, Vasyl Vasilovich
3rd Prize, Die Schwalbe, 2001
#2
13 + 10
| 23 | Die Schwalbe | 2004 |
| 15174 | FIDE Album (2001-2003) | 2011 |
SOLUTION
- SOUND
- Sets
- 1...Bxh2
- 2.Qxh2#
- 1...exd3
- 2.Sxd3#
- 1...exf3
- 2.Rxf3#
- 1...fxg4
- 2.Rxe4#
- 1...Bxh2
- Tries
- 1.Kd4?
- threat
- 2.Sf2#
- 1...Qxe5+
- 2.Sxe5#
- 1...Bxe3+
- 2.Sxe3#
- 1...Bxh2
- 2.Qxh2#
- 1...fxg4
- 2.Rxg4#
- 1...Bf2
- 2.Sxf2#
- 1...Qh5!
- threat
- 1.Sf2+?
- 1...Kxe3
- 2.Sd1#
- 1...Kxe5!
- 1...Kxe3
- 1.Sg6+?
- 1...Qxg6
- 2.Qb8#
- 1...Rxg6!
- 1...Qxg6
- 1.Qc1?
- threat
- 2.Rxe4#
- 1...Qxe5
- 2.Sf2#
- 1...Bxe3
- 2.Qxe3#
- 1...exd3
- 2.Sf2#
- 2.Sxd3#
- 2.Re4#
- 1...exf3
- 2.Sf2#
- 2.Rxf3#
- 2.Re4#
- 1...Bxh2!
- threat
- 1.Qd2?
- threat
- 2.Rxe4#
- 1...Qxe5
- 2.Sf2#
- 1...Bxh2
- 2.Qxh2#
- 1...Bxe3
- 2.Qxe3#
- 1...exd3
- 2.Sf2#
- 2.Sxd3#
- 2.Re4#
- 1...exf3
- 2.Sf2#
- 2.Rxf3#
- 2.Re4#
- 1...cxd2!
- threat
- 1.Qf2?
- threat
- 2.Qg3#
- 1...Bxh2
- 2.Qxh2#
- 2.fxe4#
- 1...fxg4
- 2.Rxe4#
- 1...Bxf2!
- threat
- 1.Qg2?
- threat
- 2.Qg3#
- 1...Bxh2
- 2.Qxh2#
- 1...fxg4
- 2.Rxe4#
- 1...Bf2!
- threat
- 1.Kd4?
- Keys
- 1.Qb8!
- threat
- 2.Sg6#
- 1...Qxe5
- 2.Qxe5#
- 1...Bxe3
- 2.Sf2#
- 1...fxg4
- 2.Rxe4#
- 1...Qg6
- 2.Sc6#
- 2.Sxg6#
- 2.Sf7#
- 1...Rg6
- 2.Sxg6#
- threat
- 1.Qb8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 3
- Sets
- B(a);OGATE,XP(B)::QAB(A),XB(a)
- P(c);XP(C)::S(J),XP(c)
- P(c);OGATE,XP(E)::R1(D),XP(c)
- P(e);N_GUARD,N_SPINP(f),P_SPINP(e),XS(G)::R1(D),XP(c)
- Tries
- Try
- K(F);P-FLIGHT,P_SPINR(D)
- Threat
- R(H)+S(G)
- Vars
- Q(i);CHECK,XS(J)::R(H)+S(G),XQ(i)
- B(a);CHECK,XR(D)::R(H)+S(G),XB(a)
- B(a);N_PINR(D),OGATE,XP(B)::QAB(A),XB(a)
- P(e);N_SPINP(f),OGATE,P_SPINP(e),XS(G)::R1(H),XP(e)
- B(a);::R(H)+S(G),XB(a)
- Refutation
- Q(i);
- Try
- S(G);CHECK
- Vars
- K(d);S_FLIGHT,XR(D)::S(G)
- Refutation
- K(d);N_SPINP(f),P_SPINP(b),S_FLIGHT,XS(J)
- Try
- S(J);CHECK
- Vars
- Q(i);XS(J)::QAB(A)
- Refutation
- R(j);XS(J)
- Try
- Q(A);
- Threat
- QAB(A)+R(D),DCHECK,XP(c)
- Vars
- Q(i);SBLOCK,XS(J)::R(H)+S(G)
- B(a);OGATE,P_SPINB(a),XR(D)::QAB1(A),XB(a)
- Refutation
- B(a);XP(B)
- Try
- Q(A);
- Threat
- QAB(A)+R(D),DCHECK,XP(c)
- Vars
- Q(i);SBLOCK,XS(J)::R(H)+S(G)
- B(a);OGATE,XP(B)::QAB(A),XB(a)
- B(a);OGATE,P_SPINB(a),XR(D)::QAB1(A),XB(a)
- Refutation
- P(b);XQ(A)
- Try
- Q(A);
- Threat
- QAB1(A)
- Vars
- P(e);N_GUARD,N_SPINP(f),P_SPINP(e),XS(G)::R1(D),XP(c)
- Refutation
- B(a);XQ(A)
- Try
- Q(A);
- Threat
- QAB1(A)
- Vars
- B(a);OGATE,XP(B)::QAB(A),XB(a)
- P(e);N_GUARD,N_SPINP(f),P_SPINP(e),XS(G)::R1(D),XP(c)
- Refutation
- B(a);
- Try
- Actual
- Q(A);
- Threat
- QAB(A)+S(J),DCHECK
- Vars
- Q(i);OGATE,P_SPINQ(i),XS(J)::QAB1(A),XQ(i)
- B(a);SBLOCK,XR(D)::R(H)+S(G)
- P(e);N_GUARD,N_SPINP(f),P_SPINP(e),XS(G)::R1(D),XP(c)
- R(j);::QAB(A)+S(J),DCHECK,XR(j)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
CSS/Javascript (jQuery, Bootstrap & DataTables).