MESON Chess Problem Database

Problem Display
PID: 225717 (6r1/8/1Q2N1n1/4kp2/2P5/2K3b1/3P1N1B/5b2 w - - 0 1)

Pazman, Julius

Praca, 1953

6r1/8/1Q2N1n1/4kp2/2P5/2K3b1/3P1N1B/5b2

#2

7 + 6

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Sg4+?
      • 1...Ke4
        • 2.Qe3#
        • 2.Qc6#
        • 2.Qb7#
      • 1...fxg4!
    • 1.Sg5?
      • threat
        • 2.Qd4#
      • 1...Kf4
        • 2.Qe3#
      • 1...f4
        • 2.Qe6#
      • 1...Rd8!
    • 1.Sc7?
      • threat
        • 2.Qd4#
      • 1...Kf4
        • 2.Qe3#
      • 1...f4
        • 2.Qe6#
      • 1...Rd8!
    • 1.Sd8?
      • threat
        • 2.Qd4#
      • 1...Kf4
        • 2.Qe3#
      • 1...f4
        • 2.Qe6#
      • 1...Rxd8!
  • Keys
    • 1.Sf4!
      • threat
        • 2.Qd4#
      • 1...Kxf4
        • 2.Qe3#
      • 1...Bxf2
        • 2.Qe6#
      • 1...Bxf4
        • 2.d4#
      • 1...Sxf4
        • 2.d4#
      • 1...Rd8
        • 2.Sxg6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(B);CHECK
      • Refutation
        • P(d);XS(B)
    • Try
      • S(G);
      • Threat
        • QAB1(F)
      • Vars
        • K(c);S_FLIGHT::QAB1(F)
        • P(d);N_SPINB(b),SBLOCK::QAR1(F)
      • Refutation
        • R(f);
    • Try
      • S(G);
      • Threat
        • QAB1(F)
      • Vars
        • K(c);S_FLIGHT::QAB1(F)
        • P(d);N_SPINB(b),SBLOCK::QAR1(F)
      • Refutation
        • R(f);
    • Try
      • S(G);
      • Threat
        • QAB1(F)
      • Vars
        • K(c);S_FLIGHT::QAB1(F)
        • P(d);N_SPINB(b),SBLOCK::QAR1(F)
      • Refutation
        • R(f);XS(G)
  • Actual
    • S(G);N_PINB(b)
    • Threat
      • QAB1(F)
    • Vars
      • K(c);P_SPINB(b),S_FLIGHT,XS(G)::QAB1(F)
      • B(b);XS(B)::QAR1(F)
      • B(b);P_SPINB(b),XS(G)::P(A)
      • S(e);SBLOCK,XS(G)::P(A)
      • R(f);N_GUARD::S(G),XS(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).