MESON Chess Problem Database
Problem Display
PID: 263826 (8/1Q2K3/2p3N1/3k4/3p4/1P6/4P3/8 w - - 0 1)
Anonymous
Tijdschrift vd NSB, 1894
#2
5 + 3
| 6490 | yacpdb | 2022 |
SOLUTION
- SOUND
- Tries
- 1.Qa6?
- 1...Kc5
- 2.Qa5#
- 1...d3
- 2.Qc4#
- 1...c5
- 2.Qb7#
- 2.Qe6#
- 2.Qa8#
- 1...Ke4!
- 1...Kc5
- 1.Qb4?
- 1...c5
- 2.Qb7#
- 1...d3
- 2.Qc4#
- 2.e4#
- 1...Ke4!
- 1...c5
- 1.Qb5+?
- 1...Ke4
- 2.Qe5#
- 1...c5
- 2.Qb7#
- 1...cxb5!
- 1...Ke4
- 1.Qd7+?
- 1...Ke4
- 2.Qe6#
- 1...Kc5!
- 1...Ke4
- 1.Qb8?
- threat
- 2.Qe5#
- 1...Ke4
- 2.Qe5#
- 1...c5
- 2.Qb7#
- 2.Qa8#
- 1...Kc5!
- threat
- 1.Qa6?
- Keys
- 1.Qc7!
- threat
- 2.Qe5#
- 1...Ke4
- 2.Qe5#
- 1...Kc5
- 2.Qa5#
- 1...c5
- 2.Qb7#
- threat
- 1.Qc7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- Tries
- Try
- Q(D);N_PINP(c)
- Vars
- K(b);N_GUARD,P-FLIGHT,S_CUTP(c)::QAR2(D)
- P(a);::QAB1(D)
- Refutation
- K(b);S_FLIGHT
- Try
- Q(D);N_PINP(c)
- Vars
- P(c);OGATEB,SBLOCK::QAB(D)
- Refutation
- K(b);P_SPINP(a),S_FLIGHT
- Try
- Q(D);CHECK,N_PINP(c)
- Vars
- K(b);OGATE,S_FLIGHT::QAR1(D)
- P(c);OGATEB,P_SPINP(c),SBLOCK::QAB(D)
- Refutation
- P(c);XQ(D)
- Try
- Q(D);CHECK,N_PINP(c)
- Vars
- K(b);N_GUARD,S_FLIGHT::QAR2(D)
- Refutation
- K(b);P-FLIGHT
- Try
- Q(D);N_PINP(c)
- Threat
- QAR1(D)
- Vars
- K(b);S_FLIGHT::QAR1(D)
- Refutation
- K(b);P-FLIGHT
- Try
- Actual
- Q(D);N_PINP(c)
- Threat
- QAR1(D)
- Vars
- K(b);S_FLIGHT::QAR1(D)
- K(b);N_GUARD,P-FLIGHT,P_SPINP(c)::QAR2(D)
- P(c);OGATEB,SBLOCK::QAB(D)
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).