MESON Chess Problem Database
Problem Display
PID: 227682 (8/3Q4/3P4/Np6/k7/2K5/8/1N6 w - - 0 1)
Merenyi, Lajos
Magyar Sakkvilag, 1926
#2
5 + 2
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Kxa5
- 2.Qa7#
- 1...Kxa5
- Tries
- 1.Sd2?
- 1...Kxa5
- 2.Qa7#
- 1...Ka3!
- 1...Kxa5
- 1.Sa3?
- 1...Kxa5
- 2.Qxb5#
- 2.Qa7#
- 1...Kxa3!
- 1...Kxa5
- 1.Qg4+?
- 1...b4+
- 2.Qxb4#
- 1...Kxa5!
- 1...b4+
- 1.Qe7?
- 1...Kxa5
- 2.Qa7#
- 1...b4+!
- 1...Kxa5
- 1.Qf7?
- threat
- 2.Qa2#
- 1...Kxa5
- 2.Qa7#
- 1...b4+!
- threat
- 1.Qg7?
- 1...Kxa5
- 2.Qa7#
- 1...b4+!
- 1...Kxa5
- 1.Qh7?
- 1...Kxa5
- 2.Qa7#
- 1...b4+!
- 1...Kxa5
- 1.Sd2?
- Keys
- 1.Qb7!
- 1...b4+
- 2.Qxb4#
- 1...Kxa5
- 2.Qa7#
- 1...b4+
- 1.Qb7!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- K(a);N_SPINP(b),OGATEB,P-FLIGHT,XS(C)::QAR2(E)
- Tries
- Try
- S(A);
- Vars
- K(a);N_SPINP(b),OGATEB,P-FLIGHT,XS(C)::QAR2(E)
- Refutation
- K(a);N_SPINP(b),P-FLIGHT
- Try
- S(A);
- Refutation
- K(a);N_SPINP(b),P-FLIGHT,XS(A)
- Try
- Q(E);CHECK,N_PINP(b)
- Vars
- P(b);CHECK,P_SPINP(b)::QAR1(E),XP(b)
- Refutation
- K(a);P-FLIGHT,XS(C)
- Try
- Q(E);N_PINP(b)
- Vars
- K(a);OGATEB,P-FLIGHT,XS(C)::QAR2(E)
- Refutation
- P(b);CHECK
- Try
- Q(E);N_PINP(b)
- Threat
- QAR2(E)
- Vars
- K(a);OGATEB,P-FLIGHT,XS(C)::QAR2(E)
- Refutation
- P(b);CHECK
- Try
- Q(E);N_PINP(b)
- Vars
- K(a);OGATEB,P-FLIGHT,XS(C)::QAR2(E)
- Refutation
- P(b);CHECK
- Try
- Q(E);N_PINP(b)
- Vars
- K(a);OGATEB,P-FLIGHT,XS(C)::QAR2(E)
- Refutation
- P(b);CHECK
- Try
- Actual
- Q(E);N_PINP(b)
- Vars
- P(b);CHECK,OGATE::QAR1(E),XP(b)
- K(a);OGATEB,P-FLIGHT,XS(C)::QAR2(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).