MESON Chess Problem Database
Problem Display
PID: 120879 (8/2p5/B1Pp1p2/1Q2Bp1n/4kp1R/2P5/5P2/4K3 w - - 0 1)
Neukomm, Gyula (Julius) R
2nd HM., Vasarnapi Ujsag, 1920
#2
8 + 7
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Kf3
- 2.Qd5#
- 1...Sg3
- 2.Rxf4#
- 1...Sg7
- 2.Rxf4#
- 1...dxe5
- 2.Qd3#
- 1...d5
- 2.Qe2#
- 1...fxe5
- 2.Qd3#
- 1...Kf3
- Tries
- 1.Kd1?
- 1...dxe5
- 2.Qd3#
- 1...fxe5
- 2.Qd3#
- 1...d5
- 2.Qe2#
- 1...Sg3
- 2.Rxf4#
- 1...Sg7
- 2.Rxf4#
- 1...Kf3!
- 1...dxe5
- 1.Kf1?
- 1...Kf3
- 2.Qe2#
- 2.Qd3#
- 2.Qd5#
- 1...dxe5
- 2.Qd3#
- 1...fxe5
- 2.Qd3#
- 1...d5
- 2.Qe2#
- 1...Sg7
- 2.Rxf4#
- 1...Sg3+!
- 1...Kf3
- 1.Kd2?
- 1...dxe5
- 2.Qd3#
- 1...fxe5
- 2.Qd3#
- 1...d5
- 2.Qe2#
- 1...Sg3
- 2.Rxf4#
- 1...Sg7
- 2.Rxf4#
- 1...Kf3!
- 1...dxe5
- 1.Bxf4?
- threat
- 2.Qd3#
- 1...Kf3
- 2.Qd5#
- 1...Sxf4!
- threat
- 1.Bxd6?
- threat
- 2.Qd3#
- 1...Kf3
- 2.Qd5#
- 1...cxd6!
- threat
- 1.Bxf6?
- threat
- 2.Qd3#
- 1...Kf3
- 2.Qd5#
- 1...Sxf6!
- threat
- 1.Rg4?
- 1...Kf3
- 2.Qe2#
- 1...dxe5
- 2.Qd3#
- 1...fxe5
- 2.Qd3#
- 1...d5
- 2.Qe2#
- 1...Sg3
- 2.Rxf4#
- 1...Sg7
- 2.Rxf4#
- 1...fxg4!
- 1...Kf3
- 1.Qc4+?
- 1...Kf3
- 2.Qd5#
- 1...Kxe5!
- 1...Kf3
- 1.f3+?
- 1...Ke3
- 2.Qe2#
- 2.Qd3#
- 1...Kxf3!
- 1...Ke3
- 1.Kd1?
- Keys
- 1.c4!
- threat
- 2.Qd5#
- 1...Kd3
- 2.Qb1#
- 1...Kf3
- 2.Qd5#
- 1...d5
- 2.Qxd5#
- threat
- 1.c4!
FEATURES
- Static
- TYPE = BLOCK_THREAT
- CHANGED MATES = 1
- ADDED MATES = 1
- REMOVED MATES = 4
- Sets
- K(a);N_SPINP(b),S_FLIGHT::QAB(E)
- S(d);N_GUARD::R1(D),XP(b)
- P(e);SBLOCK,XB(F)::QAB1(E)
- P(e);SBLOCK::QAR2(E)
- P(f);SBLOCK,XB(F)::QAB1(E)
- Tries
- Try
- K(A);P-FLIGHT
- Vars
- P(e);SBLOCK,XB(F)::QAB1(E)
- P(f);SBLOCK,XB(F)::QAB1(E)
- P(e);SBLOCK::QAR2(E)
- S(d);N_GUARD::R1(D),XP(b)
- Refutation
- K(a);N_SPINP(b),S_FLIGHT
- Try
- K(A);P-FLIGHT
- Vars
- P(e);SBLOCK,XB(F)::QAB1(E)
- P(f);SBLOCK,XB(F)::QAB1(E)
- P(e);SBLOCK::QAR2(E)
- S(d);N_GUARD::R1(D),XP(b)
- Refutation
- S(d);CHECK
- Try
- K(A);S_FLIGHT
- Vars
- P(e);SBLOCK,XB(F)::QAB1(E)
- P(f);SBLOCK,XB(F)::QAB1(E)
- P(e);SBLOCK::QAR2(E)
- S(d);N_GUARD::R1(D),XP(b)
- Refutation
- K(a);N_SPINP(b),S_FLIGHT
- Try
- B(F);XP(b)
- Threat
- QAB1(E)
- Vars
- K(a);S_FLIGHT::QAB(E)
- Refutation
- S(d);P_SPINS(d),XB(F)
- Try
- B(F);XP(e)
- Threat
- QAB1(E)
- Vars
- K(a);N_SPINP(b),S_FLIGHT::QAB(E)
- Refutation
- P(g);XB(F)
- Try
- B(F);XP(f)
- Threat
- QAB1(E)
- Vars
- K(a);N_SPINP(b),S_FLIGHT::QAB(E)
- Refutation
- S(d);XB(F)
- Try
- R(D);
- Vars
- K(a);N_SPINP(b),S_FLIGHT::QAB1(E)
- P(e);SBLOCK,XB(F)::QAB1(E)
- P(f);SBLOCK,XB(F)::QAB1(E)
- P(e);SBLOCK::QAR2(E)
- S(d);N_GUARD::R1(D),XP(b)
- Refutation
- P(c);N_SPINP(b),XR(D)
- Try
- Q(E);CHECK
- Vars
- K(a);N_SPINP(b),S_FLIGHT::QAB(E)
- Refutation
- K(a);N_SPINP(b),P-FLIGHT,XB(F)
- Try
- P(B);CHECK
- Refutation
- K(a);N_SPINP(b),S_FLIGHT,XP(B)
- Try
- Actual
- P(C);
- Threat
- QAB1(E)
- Vars
- K(a);N_SPINP(b),S_FLIGHT::QAB(E)
- P(e);::QAB1(E),XP(e)
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).