MESON Chess Problem Database
Problem Display
PID: 121104 (4N3/2p5/2P5/3Bk3/2QpPp2/1p6/1p6/1K6 w - - 0 1)
Niemeijer, Meindert
Inspanning en Ontspanning, 1969
#2
6 + 6
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...d3
- 2.Qc3#
- 1...d3
- Tries
- 1.Kxb2?
- 1...d3
- 2.Qc3#
- 1...f3!
- 1...d3
- 1.Be6?
- threat
- 2.Qd5#
- 1...Kxe4
- 2.Qe2#
- 1...f3!
- threat
- 1.Qxb3?
- 1...d3
- 2.Qxb2#
- 2.Qc3#
- 1...f3!
- 1...d3
- 1.Qc2?
- 1...d3
- 2.Qxb2#
- 2.Qc3#
- 1...f3
- 2.Qh2#
- 1...bxc2+!
- 1...d3
- 1.Qb4?
- threat
- 2.Qe7#
- 1...d3
- 2.Qc3#
- 1...f3!
- threat
- 1.Qc5?
- threat
- 2.Qe7#
- 1...d3
- 2.Qc3#
- 1...f3!
- threat
- 1.Kxb2?
- Keys
- 1.Qe2!
- threat
- 2.Qh5#
- 1...d3
- 2.Qxb2#
- 1...f3
- 2.Qh2#
- threat
- 1.Qe2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- P(c);OGATEB::QAB(B)
- Tries
- Try
- K(A);P-FLIGHT,XP(a)
- Vars
- P(c);OGATEB::QAB(B)
- Refutation
- P(d);
- Try
- B(D);
- Threat
- QAR1(B)
- Vars
- K(e);OGATEB,P-FLIGHT,P_SPINP(c),XP(C)::QAR2(B)
- Refutation
- P(d);
- Try
- Q(B);XP(b)
- Refutation
- P(d);
- Try
- Q(B);
- Vars
- P(d);OGATEB::QAB(B)
- Refutation
- P(b);CHECK,XQ(B)
- Try
- Q(B);
- Threat
- QAR2(B)
- Vars
- P(c);OGATEB::QAB(B)
- Refutation
- P(d);
- Try
- Q(B);
- Threat
- QAR2(B)
- Vars
- P(c);OGATEB::QAB(B)
- Refutation
- P(d);
- Try
- Actual
- Q(B);
- Threat
- QAR(B)
- Vars
- P(c);OGATEB::QAB(B),XP(a)
- P(d);OGATEB::QAB(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).