MESON Chess Problem Database
Problem Display
PID: 163795 (8/1pR2n2/8/Q1Nkp3/2Rp4/3K1P2/7B/8 w - - 0 1)
Salai (Jr), Ladislav
Landeszeitung fur die Luneburger Heide, 1996
(First published on Sat Jun 29 1996)
#2
7 + 5
| 15601 | Albrecht-Leiss-Degener Collection | 2017 |
SOLUTION
- SOUND
- Sets
- 1...Kd6
- 2.Rxd4#
- 1...e4+
- 2.fxe4#
- 1...Kd6
- Tries
- 1.Qb6?
- threat
- 2.Qe6#
- 1...e4+
- 2.fxe4#
- 1...Sg5
- 2.Rd7#
- 1...Sd8
- 2.Rd7#
- 1...Sd6!
- threat
- 1.Qa2?
- threat
- 2.Rxd4#
- 1...e4+
- 2.fxe4#
- 1...Kd6!
- threat
- 1.Qb5?
- 1...e4+
- 2.fxe4#
- 1...Kd6
- 2.Rd7#
- 2.Qd7#
- 1...Sg5
- 2.Rd7#
- 2.Qd7#
- 1...Sh6
- 2.Rd7#
- 2.Qd7#
- 1...Sd8
- 2.Rd7#
- 2.Qd7#
- 1...Sh8
- 2.Rd7#
- 2.Qd7#
- 1...b6
- 2.Qc6#
- 1...Sd6!
- 1...e4+
- 1.Qb6?
- Keys
- 1.Rxd4+!
- 1...exd4
- 2.Qa2#
- 1...exd4
- 1.Rxd4+!
FEATURES
- Static
- TYPE = CHECKING_KEY
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 2
- Sets
- K(b);P-FLIGHT,P_SPINP(c)::R(D),XP(a)
- P(c);CHECK,OGATE::P(C),XP(c)
- Tries
- Try
- Q(E);
- Threat
- QAB1(E)
- Vars
- P(c);CHECK,OGATE::P(C),XP(c)
- S(e);N_GUARD::R(G)
- Refutation
- S(e);
- Try
- Q(E);
- Threat
- QAB(E)+R(D),DCHECK,XP(a)
- Vars
- P(c);CHECK,OGATE::P(C),XP(c)
- Refutation
- K(b);P-FLIGHT,P_SPINP(c)
- Try
- Q(E);
- Vars
- P(c);CHECK,OGATE::P(C),XP(c)
- P(d);N_GUARD::QAB1(E)
- Refutation
- S(e);
- Try
- Actual
- R(D);CHECK,XP(a)
- Vars
- P(c);XR(D)::QAB(E)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
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