MESON Chess Problem Database

Problem Display
PID: 108599 (7b/2R3R1/3Np2p/2P5/1pPkp3/3Pp3/1P6/2QK2B1 w - - 0 1)

Kasar, Miroslav

Pat a Mat, 2000

7b/2R3R1/3Np2p/2P5/1pPkp3/3Pp3/1P6/2QK2B1

#2

10 + 7

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Kxd3
      • 2.Qxe3#
    • 1...b3
      • 2.Qc3#
    • 1...exd3
      • 2.Qxe3#
    • 1...e5
      • 2.Qxe3#
  • Tries
    • 1.Sb5+?
      • 1...Kxd3
        • 2.Rcd7#
        • 2.Qc2#
      • 1...Ke5!
    • 1.Bxe3+?
      • 1...Kxd3
        • 2.Qd2#
      • 1...Ke5!
    • 1.Rg5?
      • threat
        • 2.Qxe3#
      • 1...Kxd3
        • 2.Qxe3#
      • 1...hxg5!
    • 1.Rgd7?
      • threat
        • 2.Sf7#
      • 1...Kxd3
        • 2.Qxe3#
      • 1...exd3
        • 2.Qxe3#
      • 1...Be5
        • 2.Sb5#
        • 2.Sf5#
        • 2.Qxe3#
      • 1...Ke5!
  • Keys
    • 1.Sf7!
      • threat
        • 2.Qxe3#
      • 1...Kxd3
        • 2.Rd7#
      • 1...exd3
        • 2.Rg4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 0
    • REMOVED MATES = 2
  • Sets
    • K(c);N_SPINP(a),P-FLIGHT,XP(E)::QAR1(A),XP(a)
    • P(b);N_GUARD::QAB1(A)
    • P(d);XP(E)::QAB1(A),XP(a)
    • P(e);SBLOCK::QAB1(A),XP(a)
  • Tries
    • Try
      • S(H);CHECK
      • Refutation
        • K(c);N_SPINP(a),S_FLIGHT
    • Try
      • B(C);CHECK,XP(a)
      • Vars
        • K(c);P-FLIGHT,XP(E)::QAR1(A)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • R(J);
      • Threat
        • QAB1(A),XP(a)
      • Vars
        • K(c);N_SPINP(a),P-FLIGHT,XP(E)::QAR1(A),XP(a)
      • Refutation
        • P(f);XR(J)
    • Try
      • R(J);
      • Threat
        • R(J)+S(H)
      • Vars
        • K(c);N_SPINP(a),P-FLIGHT,XP(E)::QAR1(A),XP(a)
        • P(d);XP(E)::QAB1(A),XP(a)
      • Refutation
        • K(c);N_SPINP(a),S_FLIGHT
  • Actual
    • S(H);
    • Threat
      • QAB1(A),XP(a)
    • Vars
      • K(c);N_SPINP(a),P-FLIGHT,XP(E)::R(I)
      • P(d);OGATEB,SBLOCK,XP(E)::R(J)
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).