MESON Chess Problem Database

Problem Display
PID: 278000 (8/3Q2n1/2pP2K1/3kP3/2Rp1B1p/pp4P1/2P2R2/3N1Bb1 w - - 0 1)

Klemanic, Emil

2nd HM., Pat a Mat, 2015

8/3Q2n1/2pP2K1/3kP3/2Rp1B1p/pp4P1/2P2R2/3N1Bb1

#2

11 + 8

15601 Albrecht-Leiss-Degener Collection 2024

SOLUTION

  • SOUND
  • Sets
    • 1...Ke4
      • 2.Sc3#
      • 2.Bg2#
      • 2.Qxc6#
    • 1...Se6
      • 2.Qxc6#
    • 1...d3
      • 2.Se3#
  • Tries
    • 1.Se3+?
      • 1...Ke4
        • 2.Bg2#
        • 2.Bd3#
        • 2.Qxc6#
      • 1...dxe3!
    • 1.Rd2?
      • threat
        • 2.Sc3#
      • 1...Ke4
        • 2.Bg2#
        • 2.Qxc6#
      • 1...d3!
    • 1.Rxd4+?
      • 1...Kc5
        • 2.Qa7#
      • 1...Kxd4!
    • 1.Rc5+?
      • 1...Ke4
        • 2.Bg2#
        • 2.Bd3#
        • 2.Qxc6#
      • 1...Kxc5!
    • 1.Qf7+?
      • 1...Ke4
        • 2.Sc3#
        • 2.Bg2#
        • 2.Bd3#
      • 1...Se6!
    • 1.cxb3?
      • threat
        • 2.Bg2#
      • 1...Ke4
        • 2.Sc3#
        • 2.Qxc6#
      • 1...h3!
  • Keys
    • 1.Kf7!
      • threat
        • 2.Qxc6#
      • 1...Ke4
        • 2.Sc3#
        • 2.Bg2#
      • 1...c5
        • 2.Qb7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 2
  • Sets
    • S(h);SBLOCK::QAB1(K),XP(g)
    • P(d);N_GUARD::S(A)
  • Tries
    • Try
      • S(A);CHECK
      • Refutation
        • P(d);XS(A)
    • Try
      • R(D);P_PINP(d)
      • Threat
        • S(A)
      • Refutation
        • P(d);
    • Try
      • R(F);CHECK,XP(d)
      • Vars
        • K(f);N_GUARD,P-FLIGHT::QAB(K)
      • Refutation
        • K(f);P-FLIGHT,XR(F)
    • Try
      • R(F);CHECK
      • Refutation
        • K(f);P-FLIGHT,XR(F)
    • Try
      • Q(K);CHECK
      • Refutation
        • S(h);P_SPINS(h)
    • Try
      • P(C);XP(c)
      • Threat
        • B(B)
      • Refutation
        • P(e);
  • Actual
    • K(J);S_FLIGHT
    • Threat
      • QAB1(K),XP(g)
    • Vars
      • P(g);OGATEB::QAB(K)
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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).