MESON Chess Problem Database

Problem Display
PID: 168409 (7R/3qpNNp/3r4/2p1r3/2R1B1pk/3P3b/4pPp1/4B1K1 w - - 0 1)

Petite, Efren

Zadachi i Etyudi, 2005

7R/3qpNNp/3r4/2p1r3/2R1B1pk/3P3b/4pPp1/4B1K1

#2

9 + 11

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Tries
    • 1.Bf5?
      • threat
        • 2.f3#
      • 1...Rd4
        • 2.Rxh7#
      • 1...Re4!
    • 1.Bg6?
      • threat
        • 2.f3#
      • 1...Re4
        • 2.Rxh7#
      • 1...Rd4!
    • 1.Rxh7+?
      • 1...Rh5
        • 2.Rxh5#
      • 1...Rh6!
  • Keys
    • 1.Bxh7!
      • threat
        • 2.f3#
      • 1...Re4
        • 2.Bg6#
      • 1...Rd4
        • 2.Bf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(F);N_PINP(k),P_PINP(d)
      • Threat
        • B(A)+P(C)
      • Vars
        • R(h);N_GUARD,N_SPINP(d),P_SPINP(k)::R(I),XP(k)
      • Refutation
        • R(g);N_SPINP(d),P_SPINP(k)
    • Try
      • B(F);N_PINP(k),P_PINP(d)
      • Threat
        • B(A)+P(C)
      • Vars
        • R(g);N_GUARD,N_SPINP(d),P_SPINP(k)::R(I),XP(k)
      • Refutation
        • R(h);N_SPINP(d),P_SPINP(k)
    • Try
      • R(I);CHECK,XP(k)
      • Vars
        • R(g);N_GUARD,P_SPINR(g)::R1(I),XR(g)
      • Refutation
        • R(h);P_SPINR(h)
  • Actual
    • B(F);P_PINP(d),XP(k)
    • Threat
      • B(A)+P(C)
    • Vars
      • R(g);N_GUARD,N_SPINP(d)::R(I)+B(F)
      • R(h);N_GUARD,N_SPINP(d)::R(I)+B(F)
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).