MESON Chess Problem Database
Problem Display
PID: 99609 (8/8/3p2pp/3Q2Pk/8/6K1/8/8 w - - 0 1)
Zilahi, Zoltan
Magyar Sakkvilag, 1929
#2
3 + 4
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...hxg5
- 2.Qh1#
- 1...hxg5
- Tries
- 1.Qe4?
- threat
- 2.Qg4#
- 2.Qh4#
- 1...hxg5
- 2.Qh1#
- 1...Kxg5!
- threat
- 1.Qe6?
- threat
- 2.Qg4#
- 1...hxg5
- 2.Qh3#
- 1...Kxg5!
- threat
- 1.Qd2?
- 1...hxg5
- 2.Qh2#
- 1...d5!
- 1...hxg5
- 1.Qd4?
- threat
- 2.Qg4#
- 2.Qh4#
- 1...hxg5
- 2.Qh8#
- 1...Kxg5!
- threat
- 1.Qf5?
- threat
- 2.Qg4#
- 1...hxg5
- 2.Qh3#
- 1...gxf5!
- threat
- 1.Qxd6?
- 1...Kxg5
- 2.Qe5#
- 1...hxg5!
- 1...Kxg5
- 1.Qe4?
- Keys
- 1.Kf4!
- threat
- 2.Qh1#
- 1...hxg5+
- 2.Qxg5#
- 1...Kh4
- 2.Qh1#
- threat
- 1.Kf4!
FEATURES
- Static
- TYPE = BLOCK_THREAT
- CHANGED MATES = 1
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- P(d);P_SPINP(d),SBLOCK,XP(C)::QAR(B)
- Tries
- Try
- Q(B);
- Threat
- DUALS(2)
- Vars
- P(d);SBLOCK,XP(C)::QAR(B)
- Refutation
- K(a);P-FLIGHT,XP(C)
- Try
- Q(B);
- Threat
- QAB1(B)
- Vars
- P(d);SBLOCK,XP(C)::QAR2(B)
- Refutation
- K(a);P-FLIGHT,XP(C)
- Try
- Q(B);
- Vars
- P(d);SBLOCK,XP(C)::QAR(B)
- Refutation
- P(b);
- Try
- Q(B);
- Threat
- DUALS(2)
- Vars
- P(d);OGATEB,SBLOCK,XP(C)::QAR(B)
- Refutation
- K(a);P-FLIGHT,XP(C)
- Try
- Q(B);
- Threat
- QAB1(B)
- Vars
- P(d);P_SPINP(d),SBLOCK,XP(C)::QAR2(B)
- Refutation
- P(c);XQ(B)
- Try
- Q(B);XP(b)
- Vars
- K(a);OGATEB,P-FLIGHT,XP(C)::QAR2(B)
- Refutation
- P(d);XP(C)
- Try
- Actual
- K(A);S_FLIGHT
- Threat
- QAR(B)
- Vars
- P(d);CHECK,OGATE,P_SPINP(d),XP(C)::QAR1(B),XP(d)
- K(a);P-FLIGHT::QAR(B)
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).