MESON Chess Problem Database
Problem Display
PID: 161038 (8/2p5/2Bk2K1/4RP2/3NnB2/3b2p1/6Q1/2bR4 w - - 0 1)
Russell, Tom
The Problemist, 1994
#2
8 + 6
| 15148 | Sadier Collection | 2017 |
SOLUTION
- SOUND
- Sets
- 1...Sd2
- 2.Qd5#
- 1...Sf2
- 2.Sb5#
- 2.Qd5#
- 1...Sc5
- 2.Sb5#
- 2.Re3#
- 2.Re6#
- 2.Qd5#
- 1...Sg5
- 2.Sb5#
- 2.Qd5#
- 1...Sf6
- 2.Sb5#
- 1...Sd2
- Tries
- 1.Qxe4?
- threat
- 2.Sb5#
- 2.Rd5#
- 2.Qd5#
- 1...Bd2
- 2.Rd5#
- 2.Qd5#
- 1...Bc4
- 2.Sb5#
- 2.Rd5#
- 1...Bb5
- 2.Sxb5#
- 2.Rd5#
- 2.Qd5#
- 1...Bxe4!
- threat
- 1.Qa2?
- threat
- 2.Qd5#
- 2.Qe6#
- 1...Sc3
- 2.Qe6#
- 1...Sc5
- 2.Re3#
- 2.Re6#
- 2.Qd5#
- 1...Sg5
- 2.Qd5#
- 1...Sf6
- 2.Qe6#
- 1...Bc4!
- threat
- 1.Qxe4?
- Keys
- 1.f6!
- threat
- 2.Rd5#
- 1...Sd2+
- 2.Rf5#
- 1...Sf2+
- 2.Sf5#
- 1...Sc3+
- 2.Sf5#
- 1...Sc5+
- 2.Sf5#
- 1...Sg5+
- 2.Sf5#
- 1...Sxf6+
- 2.Sf5#
- threat
- 1.f6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 4
- REMOVED MATES = 0
- Sets
- S(d);OGATE,P_PINP(F)::QAR1(B)
- S(d);P_PINP(F)::S(C)
- Tries
- Try
- Q(B);XS(d)
- Threat
- DUALS(3)
- Refutation
- B(b);P_PINP(F),XQ(B)
- Try
- Q(B);
- Threat
- DUALS(2)
- Vars
- S(d);P_PINP(F)::QAR1(B)
- Refutation
- B(b);
- Try
- Actual
- P(F);
- Threat
- B(D)+R(E),DCHECK
- Vars
- S(d);CHECK,S_CUTB(a)::B(D)+R(E)
- S(d);CHECK::S(C)
- S(d);CHECK,XP(F)::S(C)
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).