MESON Chess Problem Database

Problem Display
PID: 250122 (3Nr2q/4rpnb/8/1N2k1Pp/8/3p1Qb1/1K6/5B2 w - - 0 1)

Wrobel, Marian

2nd Prize, Midweek Sports Referee, 1927

3Nr2q/4rpnb/8/1N2k1Pp/8/3p1Qb1/1K6/5B2

#2

6 + 10

6490 yacpdb 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Re6
      • 2.Sxf7#
    • 1...Se6
      • 2.Sc6#
  • Tries
    • 1.Qf6+?
      • 1...Kd5
        • 2.Qd4#
      • 1...Ke4!
  • Keys
    • 1.Bg2!
      • threat
        • 2.Qf6#
      • 1...Bf4
        • 2.Qd5#
      • 1...Be4
        • 2.Qxe4#
      • 1...Re6
        • 2.Sxf7#
      • 1...Bf5
        • 2.Qxg3#
      • 1...Sf5
        • 2.Qe4#
      • 1...Se6
        • 2.Sc6#
      • 1...f5
        • 2.Qe3#
      • 1...f6
        • 2.Qxf6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
    • R(e);N_GUARD,SBLOCK::S(F),XP(f)
    • S(g);SBLOCK::S(F)
  • Tries
    • Try
      • Q(C);CHECK
      • Vars
        • K(c);OGATE,P-FLIGHT::QAR1(C)
      • Refutation
        • K(c);P-FLIGHT
  • Actual
    • B(A);
    • Threat
      • QAB1(C)
    • Vars
      • B(b);SBLOCK::QAR1(C)
      • B(h);N_GUARD::QAR1(C),XB(h)
      • R(e);N_GUARD,SBLOCK::S(F),XP(f)
      • B(h);SBLOCK::QAB(C),XB(b)
      • S(g);S_CUTB(h)::QAR1(C)
      • S(g);SBLOCK::S(F)
      • P(f);SBLOCK,S_CUTB(h)::QAR2(C)
      • P(f);::QAB1(C),XP(f)
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).