MESON Chess Problem Database

Problem Display
PID: 244214 (1K6/1Q1R4/2P1kP2/6p1/1p3r2/2p1N2b/1q6/1Br1R3 w - - 0 1)

Bruch, Wieland

Freie Presse, 2010

1K6/1Q1R4/2P1kP2/6p1/1p3r2/2p1N2b/1q6/1Br1R3

#2

8 + 8

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Ke5
      • 2.Sg4#
    • 1...Kxf6
      • 2.Sd5#
  • Tries
    • 1.Sc4+?
      • 1...Kxf6
        • 2.Rf7#
      • 1...Qe2
        • 2.Rd6#
      • 1...Rxe1
        • 2.Rd6#
      • 1...Re4!
    • 1.Rdd1?
      • threat
        • 2.Qe7#
      • 1...Ke5
        • 2.Sg4#
      • 1...Kxf6
        • 2.Sd5#
      • 1...Rxf6!
    • 1.Rd5?
      • threat
        • 2.Qe7#
      • 1...Rxf6
        • 2.Qd7#
      • 1...Kxf6!
    • 1.Rd6+?
      • 1...Ke5
        • 2.Sc4#
      • 1...Kxd6!
    • 1.Re7+?
      • 1...Kxf6
        • 2.Sd5#
      • 1...Kd6!
    • 1.Rd8?
      • threat
        • 2.Qe7#
      • 1...Ke5
        • 2.Sg4#
      • 1...Kxf6
        • 2.Sd5#
      • 1...Rxf6!
  • Keys
    • 1.Rd2!
      • threat
        • 2.Qe7#
      • 1...Ke5
        • 2.Sg4#
      • 1...Kxf6
        • 2.Sd5#
      • 1...Rxf6
        • 2.Sd1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(h);P-FLIGHT::R(B)+S(C),DCHECK
    • K(h);P-FLIGHT,XP(E)::S(C)
  • Tries
    • Try
      • S(C);CHECK
      • Vars
        • K(h);P-FLIGHT,XP(E)::R1(G)
        • Q(b);P_SPINQ(b)::R1(G)
        • R(a);XR(B)::R1(G)
      • Refutation
        • R(f);P_SPINR(f)
    • Try
      • R(G);
      • Threat
        • QAR1(F)
      • Vars
        • K(h);P-FLIGHT::R(B)+S(C),DCHECK
        • K(h);P-FLIGHT,XP(E)::S(C)
      • Refutation
        • R(f);XP(E)
    • Try
      • R(G);
      • Threat
        • QAR1(F)
      • Vars
        • R(f);SBLOCK,XP(E)::QAB1(F)
      • Refutation
        • K(h);P-FLIGHT,XP(E)
    • Try
      • R(G);CHECK
      • Vars
        • K(h);P-FLIGHT::R(B)+S(C),DCHECK
      • Refutation
        • K(h);P-FLIGHT,XR(G)
    • Try
      • R(G);CHECK
      • Vars
        • K(h);P-FLIGHT,XP(E)::S(C)
      • Refutation
        • K(h);P-FLIGHT
    • Try
      • R(G);
      • Threat
        • QAR1(F)
      • Vars
        • K(h);P-FLIGHT::R(B)+S(C),DCHECK
        • K(h);P-FLIGHT,XP(E)::S(C)
      • Refutation
        • R(f);XP(E)
  • Actual
    • R(G);
    • Threat
      • QAR1(F)
    • Vars
      • K(h);P-FLIGHT::R(B)+S(C),DCHECK
      • K(h);P-FLIGHT,XP(E)::S(C)
      • R(f);N_GUARD,SBLOCK,XP(E)::R(B)+S(C)
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).