MESON Chess Problem Database

Problem Display
PID: 257777 (2B4Q/4p3/4r3/1pP1p1P1/1p2k2p/1P2B2K/3PPP2/8 w - - 0 1)

Kriuckov, Pavel

Zadachi i Etyudi, 2007

2B4Q/4p3/4r3/1pP1p1P1/1p2k2p/1P2B2K/3PPP2/8

#2

10 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...Kf5
      • 2.Qh7#
  • Tries
    • 1.Qxh4+?
      • 1...Kf5
        • 2.Qh7#
      • 1...Kd5!
    • 1.d3+?
      • 1...Kf5
        • 2.Qh7#
      • 1...Kd5!
    • 1.f3+?
      • 1...Kf5
        • 2.Qh7#
      • 1...Kd5!
  • Keys
    • 1.Qg8!
      • 1...Kd5
        • 2.Bb7#
      • 1...Kf5
        • 2.Qh7#
      • 1...Ra6
        • 2.d3#
        • 2.f3#
      • 1...Rb6
        • 2.d3#
        • 2.f3#
      • 1...Rc6
        • 2.d3#
        • 2.f3#
      • 1...Rd6
        • 2.f3#
      • 1...Rf6
        • 2.d3#
      • 1...Rg6
        • 2.d3#
        • 2.f3#
      • 1...Rh6
        • 2.d3#
        • 2.f3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • K(b);N_GUARD,P_SPINR(f),S_FLIGHT::QAB(J)
  • Tries
    • Try
      • Q(J);CHECK,XP(c)
      • Vars
        • K(b);N_GUARD,P_SPINR(f),S_FLIGHT::QAB(J)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • P(A);CHECK
      • Vars
        • K(b);N_GUARD,P_SPINR(f),S_FLIGHT::QAB(J)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • P(C);CHECK
      • Vars
        • K(b);N_GUARD,P_SPINR(f),S_FLIGHT::QAB(J)
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • Q(J);
    • Vars
      • K(b);N_GUARD,P_SPINR(f),S_FLIGHT::B(I)
      • K(b);N_GUARD,P_SPINR(f),S_FLIGHT::QAB(J)
      • R(f);::P(C)
      • R(f);::P(A)
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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).