MESON Chess Problem Database

Problem Display
PID: 262726 (2b2R2/3pp3/3P2P1/QPP1kN2/3pP1KP/3P4/B2P1b2/7n w - - 0 1)

Kapustin, Fedor Mikhailovich

1st Comm., SuperProblem, 2018

2b2R2/3pp3/3P2P1/QPP1kN2/3pP1KP/3P4/B2P1b2/7n

#2

13 + 7

6490 yacpdb 2022

SOLUTION

  • SOUND
  • Tries
    • 1.Se3?
      • threat
        • 2.Rf5#
      • 1...dxe3
        • 2.Qc3#
      • 1...e6
        • 2.Sc4#
      • 1...Sg3!
    • 1.Qd8?
      • threat
        • 2.Qxe7#
      • 1...exd6
        • 2.Re8#
        • 2.Qf6#
        • 2.Qe7#
        • 2.Qe8#
      • 1...e6
        • 2.Qf6#
      • 1...Bxh4!
    • 1.b6?
      • threat
        • 2.c6#
      • 1...exd6
        • 2.cxd6#
      • 1...Ba6!
    • 1.c6?
      • threat
        • 2.b6#
      • 1...dxc6
        • 2.bxc6#
      • 1...Ba6
        • 2.bxa6#
      • 1...exd6!
  • Keys
    • 1.Sxd4!
      • threat
        • 2.Sf3#
      • 1...Kxd4
        • 2.Qc3#
      • 1...Bxd4
        • 2.Rf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(J);
      • Threat
        • R1(M)
      • Vars
        • P(c);OGATEB,XS(J)::QAB(G)
        • P(f);SBLOCK::S(J)
      • Refutation
        • S(a);
    • Try
      • Q(G);
      • Threat
        • QAR2(G),XP(f)
      • Vars
        • P(f);OGATE::QAB1(G)
      • Refutation
        • B(b);XP(F)
    • Try
      • P(H);
      • Threat
        • QAR(G)+P(I)
      • Vars
        • P(f);OGATE,XP(K)::QAR(G)+P(I),XP(f)
      • Refutation
        • B(g);
    • Try
      • P(I);
      • Threat
        • QAR(G)+P(H)
      • Vars
        • P(e);OGATE,P_PINS(J),XP(I)::QAR(G)+P(H),XP(e)
        • B(g);OGATE::QAR(G)+P(H),XB(g)
      • Refutation
        • P(f);XP(K)
  • Actual
    • S(J);XP(c)
    • Threat
      • S(J)
    • Vars
      • K(d);OGATEB,S_FLIGHT,XS(J)::QAB1(G)
      • B(b);SBLOCK,XS(J)::R1(M)
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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).