MESON Chess Problem Database

Problem Display
PID: 110765 (4B1n1/1p6/1P2k1Np/1PR4N/1P1p4/3P2B1/5prp/5KbQ w - - 0 1)

Cieslak, Francizek

2nd Prize, Folks-Sztyme, 1954-1955

4B1n1/1p6/1P2k1Np/1PR4N/1P1p4/3P2B1/5prp/5KbQ

#2

11 + 9

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Rxg3
      • 2.Qd5#
    • 1...Sf6
      • 2.Sg7#
    • 1...Se7
      • 2.Sf8#
  • Tries
    • 1.Shf4+?
      • 1...Kd6
        • 2.Rd5#
      • 1...Kf6!
    • 1.Bf4?
      • 1...Rxg6
        • 2.Qe4#
      • 1...Rg3
        • 2.Qe4#
        • 2.Qd5#
      • 1...Rg4
        • 2.Qe4#
        • 2.Qd5#
      • 1...Sf6
        • 2.Sg7#
      • 1...Se7
        • 2.Sf8#
      • 1...Rg5!
    • 1.Rf5?
      • threat
        • 2.Sg7#
      • 1...Rxg3
        • 2.Qd5#
      • 1...Kxf5!
    • 1.Rg5?
      • 1...Rxg3
        • 2.Qd5#
      • 1...Sf6
        • 2.Sg7#
      • 1...Se7
        • 2.Sf8#
      • 1...hxg5!
    • 1.Qxg2?
      • threat
        • 2.Qh3#
        • 2.Qe4#
        • 2.Qd5#
      • 1...h1B
        • 2.Qh3#
      • 1...h1R
        • 2.Qe4#
        • 2.Qd5#
      • 1...Sf6
        • 2.Sg7#
      • 1...Se7
        • 2.Sf8#
        • 2.Qe4#
      • 1...h1Q!
  • Keys
    • 1.Rd5!
      • 1...Kxd5
        • 2.Bf7#
      • 1...Rxg3
        • 2.Qe4#
      • 1...Sf6
        • 2.Shf4#
      • 1...Se7
        • 2.Sgf4#

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 3
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • R(c);OGATE,XB(D)::QAB1(B)
    • S(i);SBLOCK::S(H)
    • S(i);SBLOCK::S(J)
  • Tries
    • Try
      • S(H);CHECK
      • Vars
        • K(f);P-FLIGHT::R1(G)
      • Refutation
        • K(f);P-FLIGHT
    • Try
      • B(D);
      • Vars
        • R(c);OGATE,XS(J)::QAR2(B)
        • S(i);SBLOCK::S(H)
        • S(i);SBLOCK::S(J)
      • Refutation
        • R(c);
    • Try
      • R(G);
      • Threat
        • S(H)
      • Vars
        • R(c);OGATE,XB(D)::QAB1(B)
      • Refutation
        • K(f);S_FLIGHT,XR(G)
    • Try
      • R(G);
      • Vars
        • R(c);OGATE,XB(D)::QAB1(B)
        • S(i);SBLOCK::S(H)
        • S(i);SBLOCK::S(J)
      • Refutation
        • P(g);XR(G)
    • Try
      • Q(B);XR(c)
      • Threat
        • DUALS(3)
      • Vars
        • P(d);::QAB(B)
        • S(i);SBLOCK::S(H)
      • Refutation
        • P(d);
  • Actual
    • R(G);
    • Vars
      • K(f);P_SPINR(c),S_FLIGHT,XR(G)::B(K)
      • R(c);OGATE,XB(D)::QAR2(B)
      • S(i);SBLOCK::S(H)
      • S(i);SBLOCK::S(J)
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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).