MESON Chess Problem Database
Problem Display
PID: 42950 (1n1R4/3b4/1K2PNP1/2N1k3/8/2PBppP1/2p1qRPQ/B7 w - - 0 1)
Hirschenson, Aaron
The Problemist, 2002
#2
13 + 7
SOLUTION
- SOUND
- Sets
- 1...Ba4
- 2.Sg4#
- 2.c4#
- 1...Bb5
- 2.Sg4#
- 2.c4#
- 1...Bc6
- 2.Sg4#
- 2.c4#
- 1...Bxe6
- 2.c4#
- 1...Bc8
- 2.Sg4#
- 2.c4#
- 1...Be8
- 2.Sg4#
- 2.c4#
- 1...fxg2
- 2.g4#
- 1...Ba4
- Tries
- 1.Se8?
- threat
- 2.Qh5#
- 2.c4#
- 1...Kd5
- 2.Qh5#
- 2.c4#
- 1...Bxe6
- 2.Qh8#
- 2.c4#
- 2.g4#
- 1...Bxe8
- 2.Qh8#
- 2.c4#
- 1...fxg2
- 2.Rf5#
- 2.c4#
- 1...c1Q
- 2.Qh5#
- 1...c1S
- 2.Qh5#
- 1...c1B
- 2.Qh5#
- 1...c1R
- 2.Qh5#
- 1...Qd1
- 2.Qh5#
- 1...Qf1
- 2.Qh5#
- 1...Qe1
- 2.Qh5#
- 1...Qd2
- 2.Qh5#
- 1...Sc6
- 2.Qh5#
- 1...Qxd3!
- threat
- 1.Qh4?
- threat
- 2.Qd4#
- 2.Qf4#
- 1...Qxd3
- 2.Qf4#
- 1...Sc6
- 2.Qf4#
- 1...Kd6!
- threat
- 1.Se8?
- Keys
- 1.Sfe4!
- threat
- 2.Qh5#
- 1...Kd5
- 2.Qh5#
- 2.c4#
- 1...Kf5
- 2.Qh5#
- 1...Bxe6
- 2.g4#
- 1...fxg2
- 2.c4#
- threat
- 1.Sfe4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- B(f);XP(J)::B(A)+P(E)
- P(d);XP(C)::QAB(D)+P(G)
- Tries
- Try
- S(K);
- Threat
- DUALS(2)
- Vars
- P(a);::QAR(D)
- Q(b);::QAR(D)
- S(g);::QAR(D)
- Refutation
- Q(b);XB(F)
- Try
- Q(D);
- Threat
- DUALS(2)
- Vars
- Q(b);XB(F)::QAB1(D)
- S(g);::QAB1(D)
- Refutation
- K(e);P_SPINB(f),S_FLIGHT
- Try
- Actual
- S(K);
- Threat
- QAR(D)
- Vars
- K(e);P-FLIGHT,P_SPINP(d)::QAR2(D)
- B(f);XP(J)::QAB(D)+P(G)
- P(d);XP(C)::B(A)+P(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).