MESON Chess Problem Database

Problem Display
PID: 158273 (8/p3p1n1/2k3p1/PpN1B3/1K1Pb2p/1Q3R2/6B1/6bq w - - 0 1)

Abramenko, Sergey Petrovich

SuperProblem 015. TT, 2012

8/p3p1n1/2k3p1/PpN1B3/1K1Pb2p/1Q3R2/6B1/6bq

#2

8 + 10

15148 Sadier Collection 2016

SOLUTION

  • SOUND
  • Sets
    • 1...Bb1
      • 2.Rf6#
      • 2.d5#
    • 1...Bc2
      • 2.Rf6#
      • 2.d5#
    • 1...Bd3
      • 2.Rf6#
      • 2.d5#
    • 1...Bxf3
      • 2.Qxf3#
    • 1...Bf5
      • 2.d5#
    • 1...Sh5
      • 2.Qe6#
    • 1...Se6
      • 2.Qxe6#
  • Tries
    • 1.Bf1?
      • threat
        • 2.Bxb5#
      • 1...Bd3
        • 2.d5#
      • 1...a6!
    • 1.Rf8?
      • threat
        • 2.Rc8#
      • 1...Qh3
        • 2.Bxe4#
      • 1...Se6
        • 2.Qxe6#
      • 1...Se8!
  • Keys
    • 1.Qd3!
      • threat
        • 2.Qxe4#
      • 1...Kd5
        • 2.Qxe4#
      • 1...Bxd3
        • 2.Rf6#
      • 1...Bxf3
        • 2.Qxf3#
      • 1...Bd5
        • 2.Qxb5#
      • 1...Bf5
        • 2.d5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 2
  • Sets
    • B(c);OGATE,P_SPINB(c),XR(C)::QAB(B),XB(c)
    • B(c);N_GUARD::P(E)
    • S(j);N_GUARD::QAR2(B)
    • S(j);N_GUARD::QAR2(B),XS(j)
  • Tries
    • Try
      • B(A);
      • Threat
        • B(A),XP(e)
      • Vars
        • B(c);N_GUARD::P(E)
      • Refutation
        • P(h);
    • Try
      • R(C);P_PINB(c)
      • Threat
        • R(C)
      • Vars
        • Q(b);N_GUARD::B(A),XB(c)
        • S(j);N_GUARD::QAR2(B),XS(j)
      • Refutation
        • S(j);
  • Actual
    • Q(B);
    • Threat
      • QAB(B),XB(c)
    • Vars
      • K(f);S_FLIGHT::QAB1(B),XB(c)
      • B(c);XQ(B)::B(A)+R(C),DCHECK
      • B(c);OGATE,P_SPINB(c),XR(C)::QAB(B),XB(c)
      • B(c);SBLOCK::QAB1(B),XP(e)
      • B(c);N_GUARD::P(E)
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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).