MESON Chess Problem Database

Problem Display
PID: 152095 (2b4r/1p2p2p/q4k1K/1n2p3/4p3/1B4R1/5B1p/5R1r w - - 0 1)

Weiss, Berthold

Good Companions (March), 1915

2b4r/1p2p2p/q4k1K/1n2p3/4p3/1B4R1/5B1p/5R1r

#2

5 + 12

SOLUTION

  • SOUND
  • Tries
    • 1.Be3+?
      • 1...Bf5
        • 2.Bg5#
      • 1...Rxf1!
    • 1.Rf3+?
      • 1...Bf5
        • 2.Bh4#
      • 1...exf3!
    • 1.Rg6+?
      • 1...Kf5
        • 2.Bg1#
      • 1...hxg6+!
    • 1.Rg7?
      • threat
        • 2.Bh4#
        • 2.Rf7#
      • 1...Rxf1
        • 2.Rf7#
      • 1...Qe6
        • 2.Bh4#
      • 1...Rf8
        • 2.Bh4#
      • 1...Be6
        • 2.Bh4#
      • 1...Sd6
        • 2.Bh4#
      • 1...e6
        • 2.Bg1#
        • 2.Bh4#
      • 1...Kf5+!
  • Keys
    • 1.Rgg1!
      • threat
        • 2.Bh4#
      • 1...Kf5+
        • 2.Bb6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(B);CHECK
      • Vars
        • B(k);P_SPINB(k)::B(B)
      • Refutation
        • R(a);XR(A)
    • Try
      • R(D);CHECK
      • Vars
        • B(k);P_SPINB(k)::B(B)
      • Refutation
        • P(c);XR(D)
    • Try
      • R(D);CHECK
      • Vars
        • K(g);P-FLIGHT,P_PINR(D)::R(A)+B(B)
      • Refutation
        • P(j);CHECK,XR(D)
    • Try
      • R(D);
      • Threat
        • DUALS(2)
      • Vars
        • R(a);XR(A)::R1(D)
        • Q(f);::R(A)+B(B),DCHECK
        • R(l);::R(A)+B(B),DCHECK
        • B(k);::R(A)+B(B),DCHECK
        • S(d);::R(A)+B(B),DCHECK
      • Refutation
        • K(g);CHECK,P-FLIGHT
  • Actual
    • R(D);
    • Threat
      • R(A)+B(B),DCHECK
    • Vars
      • K(g);CHECK,P-FLIGHT::R(A)+B(B)
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).