MESON Chess Problem Database
Problem Display
PID: 51135 (2K5/8/1NB1n3/8/2Rp4/3kP3/1Pr5/nQB3N1 w - - 0 1)
Andrade, Barry Jack da Costa
Manchester Guardian, 1951
#2
9 + 5
SOLUTION
- SOUND
- Sets
- 1...Sb3
- 2.Qxc2#
- 1...Sf4
- 2.Rxd4#
- 1...Sc5
- 2.Rxd4#
- 1...Sg5
- 2.Rxd4#
- 1...Sc7
- 2.Rxd4#
- 1...Sg7
- 2.Rxd4#
- 1...Sd8
- 2.Rxd4#
- 1...Sf8
- 2.Rxd4#
- 1...dxe3
- 2.Be4#
- 1...Sb3
- Tries
- 1.Rxc2?
- threat
- 2.Rc3#
- 1...dxe3
- 2.Rd2#
- 1...Sxc2!
- threat
- 1.Rb4?
- 1...Sf4
- 2.Rxd4#
- 1...Sb3
- 2.Rxb3#
- 1...Sc5
- 2.Rxd4#
- 1...Sg5
- 2.Rxd4#
- 1...Sc7
- 2.Rxd4#
- 1...Sg7
- 2.Rxd4#
- 1...Sd8
- 2.Rxd4#
- 1...Sf8
- 2.Rxd4#
- 1...dxe3!
- 1...Sf4
- 1.Rxc2?
- Keys
- 1.Kb8!
- 1...dxe3
- 2.Be4#
- 1...Sb3
- 2.Qxc2#
- 1...Sf4
- 2.Rxd4#
- 1...Sc5
- 2.Rxd4#
- 1...Sg5
- 2.Rxd4#
- 1...Sc7
- 2.Rxd4#
- 1...Sg7
- 2.Rxd4#
- 1...Sd8
- 2.Rxd4#
- 1...Sf8
- 2.Rxd4#
- 1...dxe3
- 1.Kb8!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- S(a);N_GUARD::QAB1(A),XR(b)
- S(e);N_GUARD::R1(F),XP(d)
- P(d);XP(E)::B(H)
- Tries
- Try
- R(F);XR(b)
- Threat
- QAB(A)+R(F),DCHECK
- Vars
- P(d);SBLOCK,XP(E)::QAB(A)+R(F),DCHECK
- Refutation
- S(a);P_SPINS(a),XR(F)
- Try
- R(F);P_SPINB(H)
- Vars
- S(e);N_GUARD::R1(F),XP(d)
- S(a);N_GUARD::R(F),XS(a)
- S(e);N_GUARD,N_PINB(H)::R1(F),XP(d)
- Refutation
- P(d);XP(E)
- Try
- Actual
- K(I);P-FLIGHT
- Vars
- P(d);XP(E)::B(H)
- S(a);N_GUARD::QAB1(A),XR(b)
- S(e);N_GUARD::R1(F),XP(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).