MESON Chess Problem Database
Problem Display
PID: 132680 (1K1bNR2/1RnkpQ1P/p2P4/N7/6P1/8/8/8 w - - 0 1)
Retter, Yosef
3rd Place, Liga Problemista, 2004/1
#2
9 + 5
| 14475 | Mat Plus Review | 2007 |
SOLUTION
- SOUND
- Tries
- 1.Sxc7?
- threat
- 2.Qe6#
- 1...Kxd6
- 2.Qd5#
- 1...Bxc7+!
- threat
- 1.Qd5?
- threat
- 2.dxc7#
- 1...exd6
- 2.Qxd6#
- 1...e6
- 2.Qc6#
- 1...e5!
- threat
- 1.Qg6?
- 1...exd6
- 2.Qxd6#
- 1...e5
- 2.Qf5#
- 1...e6!
- 1...exd6
- 1.Qf3?
- 1...Ke6
- 2.Qf5#
- 1...e5
- 2.Qf5#
- 1...e6
- 2.Qc6#
- 1...exd6!
- 1...Ke6
- 1.Sxc7?
- Keys
- 1.Qf4!
- 1...Ke6
- 2.Qf5#
- 1...exd6
- 2.Qxd6#
- 1...e5
- 2.Qf5#
- 1...e6
- 2.Qa4#
- 1...Ke6
- 1.Qf4!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 0
- Sets
- Tries
- Try
- S(H);XS(b)
- Threat
- QAB1(E)
- Vars
- K(c);N_SPINP(d),OGATEB,P-FLIGHT,XP(C)::QAR1(E)
- Refutation
- B(e);CHECK,P_SPINB(e),XS(H)
- Try
- Q(E);N_PINP(d)
- Threat
- QAR(E)+P(C),XS(b)
- Vars
- P(d);OGATE,P_SPINP(d),XP(C)::QAR1(E),XP(d)
- P(d);SBLOCK::QAB1(E)
- Refutation
- P(d);
- Try
- Q(E);N_PINP(d)
- Vars
- P(d);OGATE,XP(C)::QAR1(E),XP(d)
- P(d);N_GUARD::QAB(E)
- Refutation
- P(d);
- Try
- Q(E);N_PINP(d)
- Vars
- K(c);N_SPINS(b),S_FLIGHT::QAB1(E)
- P(d);N_GUARD::QAB(E)
- P(d);SBLOCK::QAB1(E)
- Refutation
- P(d);XP(C)
- Try
- Actual
- Q(E);N_PINP(d)
- Vars
- K(c);N_SPINS(b),S_FLIGHT::QAB1(E)
- P(d);OGATE,XP(C)::QAR1(E),XP(d)
- P(d);N_GUARD::QAB(E)
- P(d);SBLOCK::QAB(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).