MESON Chess Problem Database
Problem Display
PID: 228230 (Kb5B/3p1q1B/Q7/p2krn1R/R7/3N2p1/8/8 w - - 0 1)
Lewis, Sally
Mat Plus, 1995
#2
7 + 8
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Re1
- 2.Rd4#
- 1...Re2
- 2.Rd4#
- 1...Re3
- 2.Rd4#
- 1...Re4
- 2.Rxa5#
- 1...Re6
- 2.Rd4#
- 1...Re7
- 2.Rd4#
- 1...Re8
- 2.Rd4#
- 1...Bd6
- 2.Qc4#
- 1...Se3
- 2.Be4#
- 1...Sh4
- 2.Be4#
- 1...Sd6
- 2.Rxe5#
- 1...Sh6
- 2.Be4#
- 1...Se7
- 2.Be4#
- 1...Sg7
- 2.Be4#
- 1...d6
- 2.Qc4#
- 1...Re1
- Tries
- 1.Qb6?
- threat
- 2.Sf4#
- 1...Sd6
- 2.Rxe5#
- 1...Re1
- 2.Rd4#
- 1...Re2
- 2.Rd4#
- 1...Re3
- 2.Rd4#
- 1...Re6
- 2.Rd4#
- 2.Qc5#
- 1...Re7
- 2.Rd4#
- 1...Re8
- 2.Rd4#
- 1...Se3
- 2.Be4#
- 2.Rd4#
- 1...Sd4
- 2.Rxd4#
- 1...Sh4
- 2.Be4#
- 2.Rd4#
- 1...Sh6
- 2.Be4#
- 2.Rd4#
- 1...Se7
- 2.Be4#
- 2.Rd4#
- 1...Sg7
- 2.Be4#
- 2.Rd4#
- 1...Re4!
- threat
- 1.Qb6?
- Keys
- 1.Rc4!
- threat
- 2.Sf4#
- 1...Sd6
- 2.Rxe5#
- 1...Re1
- 2.Rd4#
- 1...Re2
- 2.Rd4#
- 1...Re3
- 2.Rd4#
- 1...Re4
- 2.Rc5#
- 1...Re6
- 2.Rd4#
- 1...Re7
- 2.Rd4#
- 1...Re8
- 2.Rd4#
- 1...Se3
- 2.Be4#
- 1...Sd4
- 2.Rc5#
- 1...Sh4
- 2.Be4#
- 1...Sh6
- 2.Be4#
- 1...Se7
- 2.Be4#
- 1...Sg7
- 2.Be4#
- threat
- 1.Rc4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 1
- REMOVED MATES = 2
- Sets
- R(d);P_SPINS(e)::R1(B)
- R(d);P_SPINS(e),SBLOCK::R(B),XP(b)
- B(h);SBLOCK::QAB1(D)
- S(e);OGATE,P_SPINR(d)::B(E)
- S(e);OGATE,P_SPINR(d)::R1(C),XR(d)
- P(f);SBLOCK::QAB1(D)
- Tries
- Try
- Q(D);
- Threat
- S(A)
- Vars
- S(e);OGATE,P_SPINR(d)::R1(C),XR(d)
- R(d);P_SPINS(e)::R1(B)
- S(e);N_GUARD,P_SPINR(d)::R1(B),XS(e)
- Refutation
- R(d);P_SPINS(e)
- Try
- Actual
- R(B);
- Threat
- S(A)
- Vars
- S(e);OGATE,P_SPINR(d)::R1(C),XR(d)
- R(d);P_SPINS(e)::R1(B)
- R(d);P_SPINS(e),SBLOCK::R1(B)
- S(e);OGATE,P_SPINR(d)::B(E)
- S(e);P_SPINR(d),SBLOCK::R1(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).