MESON Chess Problem Database

Problem Display
PID: 45882 (n4B2/1p2R3/pp3Q2/Pk6/1P3r2/1PRp2r1/K1N5/5Bbb w - - 0 1)

Perlsson, Avraham

1st Prize, Israel Ring Ty., 1980

n4B2/1p2R3/pp3Q2/Pk6/1P3r2/1PRp2r1/K1N5/5Bbb

#2

10 + 10

3841 The Art of Israeli Chess Composition 1983

SOLUTION

  • SOUND
  • Tries
    • 1.Bxd3+?
      • 1...Rc4
        • 2.Bxc4#
      • 1...Rxd3!
    • 1.Re3?
      • threat
        • 2.Sa3#
      • 1...Rg2
        • 2.Qe5#
      • 1...Rf2
        • 2.Bxd3#
      • 1...Rxb4!
    • 1.Re5+?
      • 1...Bd5
        • 2.Sa3#
      • 1...Bc5!
    • 1.Rxb7?
      • threat
        • 2.Sa3#
      • 1...Bc5
        • 2.Rxc5#
      • 1...Rg2
        • 2.Qc6#
      • 1...Rf2
        • 2.Rc5#
      • 1...Rxb4!
  • Keys
    • 1.Re4!
      • threat
        • 2.Sa3#
      • 1...Rg2
        • 2.Bxd3#
      • 1...Rf2
        • 2.Qe5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(A);CHECK,XP(c)
      • Vars
        • R(e);N_GUARD,P_SPINR(e)::B(A),XR(e)
      • Refutation
        • R(d);XB(A)
    • Try
      • R(I);
      • Threat
        • S(C)
      • Vars
        • R(d);P_PINS(C),S_CUTB(b)::QAR(H)
        • R(e);N_GUARD,P_PINS(C)::B(A),XP(c)
      • Refutation
        • R(e);XP(F)
    • Try
      • R(I);CHECK
      • Vars
        • B(b);P_PINP(D),P_SPINB(b)::S(C)
      • Refutation
        • B(a);P_SPINB(a)
    • Try
      • R(I);XP(i)
      • Threat
        • S(C)
      • Vars
        • B(a);N_GUARD::R1(E),XB(a)
        • R(d);P_PINS(C),S_CUTB(b)::QAB1(H)
        • R(e);P_PINS(C),S_CUTB(a)::R1(E)
      • Refutation
        • R(e);XP(F)
  • Actual
    • R(I);
    • Threat
      • S(C)
    • Vars
      • R(d);N_GUARD,P_PINS(C)::B(A),XP(c)
      • R(e);P_PINS(C),S_CUTB(a)::QAR(H)
HTML5 logo

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).