MESON Chess Problem Database

Problem Display
PID: 214816 (2rr4/6p1/2P3K1/2pk1P2/3NNP2/1Pp1pB2/6Q1/3R4 w - - 0 1)

Colaneri, Bruno

Best Problems, 2020

2rr4/6p1/2P3K1/2pk1P2/3NNP2/1Pp1pB2/6Q1/3R4

#2

10 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...Rxc6+
      • 2.Se6#
    • 1...Rd6+
      • 2.Sf6#
  • Tries
    • 1.Sd2+?
      • 1...Kxd4
        • 2.Sb1#
        • 2.Sf1#
        • 2.Sc4#
        • 2.Se4#
      • 1...Kd6!
    • 1.Be2?
      • threat
        • 2.Bc4#
      • 1...Rxc6+
        • 2.Se6#
      • 1...Rd6+
        • 2.Sf6#
      • 1...c4
        • 2.Bxc4#
        • 2.bxc4#
      • 1...cxd4!
    • 1.Qf1?
      • threat
        • 2.Qc4#
      • 1...Rxc6+
        • 2.Se6#
      • 1...Rd6+
        • 2.Sf6#
      • 1...c4
        • 2.Qxc4#
        • 2.bxc4#
      • 1...e2!
  • Keys
    • 1.Qe2!
      • threat
        • 2.Qc4#
      • 1...Rxc6+
        • 2.Se6#
      • 1...Rd6+
        • 2.Sf6#
      • 1...c4
        • 2.Qxc4#
        • 2.bxc4#

There are these afters: 223596

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • R(f);CHECK,SBLOCK,XP(I)::R(A)+S(E)
    • R(g);CHECK,SBLOCK::B(D)+S(F),DCHECK
  • Tries
    • Try
      • S(F);CHECK
      • Refutation
        • K(d);P-FLIGHT
    • Try
      • B(D);
      • Threat
        • B(D)
      • Vars
        • R(f);CHECK,SBLOCK,XP(I)::R(A)+S(E)
        • R(g);CHECK,SBLOCK::QAB(B)+S(F),DCHECK
      • Refutation
        • P(c);P_SPINP(c),XS(E)
    • Try
      • Q(B);
      • Threat
        • QAB1(B)
      • Vars
        • R(f);CHECK,SBLOCK,XP(I)::R(A)+S(E)
        • R(g);CHECK,SBLOCK::B(D)+S(F),DCHECK
      • Refutation
        • P(b);
  • Actual
    • Q(B);
    • Threat
      • QAB1(B)
    • Vars
      • R(f);CHECK,SBLOCK,XP(I)::R(A)+S(E)
      • R(g);CHECK,SBLOCK::B(D)+S(F),DCHECK
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).