MESON Chess Problem Database

Problem Display
PID: 156859 (6rN/3BpN2/3pPkpP/5b2/1p2P3/2rPK3/2p1P3/B1Q2R2 w - - 0 1)

Novitski, Petr Adrinovich

Zamanov, Vidadi

Troll, 2014

6rN/3BpN2/3pPkpP/5b2/1p2P3/2rPK3/2p1P3/B1Q2R2

#2

12 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...b3
      • 2.Bxc3#
    • 1...d5
      • 2.e5#
    • 1...g5
      • 2.Rxf5#
  • Tries
    • 1.Kf3?
      • threat
        • 2.Qg5#
      • 1...Bxe4+
        • 2.Kxe4#
      • 1...Bg4+
        • 2.Kxg4#
      • 1...g5!
  • Keys
    • 1.Kd4!
      • threat
        • 2.Qg5#
      • 1...Rxd3+
        • 2.Kxd3#
      • 1...Rc4+
        • 2.Kxc4#
      • 1...g5
        • 2.Rxf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 2
  • Sets
    • P(c);N_GUARD::B(A),XR(b)
    • P(e);N_GUARD::P(G)
    • P(g);N_GUARD::R1(C),XB(d)
  • Tries
    • Try
      • K(F);N_PINB(d),P-FLIGHT
      • Threat
        • QAB1(B)
      • Vars
        • B(d);CHECK,XP(G)::R(C)+K(F),XB(d)
        • B(d);CHECK::R(C)+K(F),XB(d)
      • Refutation
        • P(g);
  • Actual
    • K(F);N_PINR(b),N_SPINP(E),S_FLIGHT
    • Threat
      • QAB1(B)
    • Vars
      • R(b);CHECK,XP(E)::B(A)+K(F),XR(b)
      • R(b);CHECK::B(A)+K(F),XR(b)
      • P(g);N_GUARD::R1(C),XB(d)
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).