MESON Chess Problem Database

Problem Display
PID: 104454 (2N2N2/R1p5/2k2p2/Rb3P2/2pBK1p1/2P1PpP1/8/7B w - - 0 1)

Mladenovic, Slobodan

Szachy, 1989

2N2N2/R1p5/2k2p2/Rb3P2/2pBK1p1/2P1PpP1/8/7B

#2

11 + 7

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Ba4
      • 2.Rc5#
    • 1...Ba6
      • 2.Rc5#
    • 1...f2
      • 2.Kf4#
  • Tries
    • 1.Kf4?
      • 1...Ba4
        • 2.Rc5#
      • 1...Ba6
        • 2.Rc5#
      • 1...Kd5!
    • 1.Bg2?
      • 1...Ba4
        • 2.Rc5#
      • 1...Ba6
        • 2.Rc5#
      • 1...f2
        • 2.Kf4#
      • 1...fxg2!
    • 1.Bxf3?
      • 1...Ba4
        • 2.Rc5#
      • 1...Ba6
        • 2.Rc5#
      • 1...gxf3!
    • 1.Be5?
      • threat
        • 2.Rxc7#
      • 1...Kc5
        • 2.Rxc7#
      • 1...fxe5!
  • Keys
    • 1.Bc5!
      • 1...Kxc5
        • 2.Rxc7#
      • 1...Ba4
        • 2.Se7#
      • 1...Ba6
        • 2.Se7#
      • 1...f2
        • 2.Kd4#

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 3
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • B(d);OGATE::R1(G)
    • P(a);::B(A)+K(F)
  • Tries
    • Try
      • K(F);P-FLIGHT,P_PINP(a)
      • Vars
        • B(d);OGATE::R1(G)
      • Refutation
        • K(e);P_SPINB(d),S_FLIGHT
    • Try
      • B(A);
      • Vars
        • B(d);OGATE::R1(G)
        • P(a);::B(A)+K(F)
      • Refutation
        • P(a);XB(A)
    • Try
      • B(A);XP(a)
      • Vars
        • B(d);OGATE::R1(G)
      • Refutation
        • P(c);XB(A)
    • Try
      • B(E);
      • Threat
        • R1(I),XP(g)
      • Vars
        • K(e);P-FLIGHT,P_SPINB(d)::R(I),XP(g)
      • Refutation
        • P(f);XB(E)
  • Actual
    • B(E);
    • Vars
      • K(e);P-FLIGHT,P_SPINB(d),XB(E)::R(I),XP(g)
      • B(d);::S(J)
      • P(a);::B(A)+K(F)
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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).