MESON Chess Problem Database
Problem Display
PID: 146927 (b2R4/4p1Kp/3Bk3/3pN3/r1p4N/rp6/8/b3R2B w - - 0 1)
Nietvelt, Gustaaf Josephus
L'Echiquier, 1927
#2
7 + 10
| 14868 | Pirnie Collection | 2013 |
SOLUTION
- SOUND
- Sets
- 1...Bxe5+
- 2.Rxe5#
- 1...b2
- 2.Sd3#
- 1...c3
- 2.Sc4#
- 1...d4
- 2.Sc6#
- 1...exd6
- 2.Re8#
- 1...Bxe5+
- Tries
- 1.Bf3?
- threat
- 2.Bg4#
- 1...Bxe5+
- 2.Rxe5#
- 1...exd6
- 2.Re8#
- 1...c3
- 2.Sc4#
- 1...d4
- 2.Sc6#
- 1...h5!
- threat
- 1.Bf3?
- Keys
- 1.Bg2!
- threat
- 2.Bh3#
- 1...Bxe5+
- 2.Rxe5#
- 1...exd6
- 2.Re8#
- 1...b2
- 2.Sd3#
- 1...c3
- 2.Sc4#
- 1...d4
- 2.Sc6#
- threat
- 1.Bg2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- B(a);CHECK,OGATE,P_SPINB(a),XS(D)::R1(A),XB(a)
- P(c);N_PINS(D)::R(A)+S(D)
- P(e);N_PINS(D)::R(A)+S(D)
- P(f);N_PINS(D)::R(A)+S(D)
- P(h);OGATEB,SBLOCK,XB(E)::R(G)
- Tries
- Try
- B(B);
- Threat
- B(B)
- Vars
- B(a);CHECK,OGATE,P_SPINB(a),XS(D)::R1(A),XB(a)
- P(h);OGATEB,SBLOCK,XB(E)::R(G)
- P(e);N_PINS(D)::R(A)+S(D)
- P(f);N_PINS(D)::R(A)+S(D)
- Refutation
- P(i);
- Try
- Actual
- B(B);
- Threat
- B(B)
- Vars
- B(a);CHECK,OGATE,P_SPINB(a),XS(D)::R1(A),XB(a)
- P(h);OGATEB,SBLOCK,XB(E)::R(G)
- P(c);N_PINS(D)::R(A)+S(D)
- P(e);N_PINS(D)::R(A)+S(D)
- P(f);N_PINS(D)::R(A)+S(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).