MESON Chess Problem Database

Problem Display
PID: 76064 (8/QB6/1P1kP1p1/5nBR/P2p1N2/4NP2/4b3/K3R3 w - - 0 1)

Degener, Udo

Troll, 2003

8/QB6/1P1kP1p1/5nBR/P2p1N2/4NP2/4b3/K3R3

#2

12 + 5

SOLUTION

  • SOUND
  • Sets
    • 1...Kc5
      • 2.Be7#
    • 1...Ke5
      • 2.Sc4#
  • Tries
    • 1.Be7+?
      • 1...Ke5
        • 2.Qb8#
      • 1...Sxe7
        • 2.Qb8#
      • 1...Kxe7!
    • 1.Be4?
      • threat
        • 2.Qc7#
      • 1...Kc5
        • 2.Be7#
      • 1...Ke5!
    • 1.Bd5?
      • threat
        • 2.Qc7#
      • 1...Ke5
        • 2.Sc4#
      • 1...Kc5!
    • 1.Ba6?
      • threat
        • 2.Qc7#
      • 1...Ke5
        • 2.Sc4#
      • 1...Kc6
        • 2.Qc7#
      • 1...Kc5!
    • 1.Bc8?
      • threat
        • 2.Qc7#
      • 1...Ke5
        • 2.Sc4#
      • 1...Kc6
        • 2.Qc7#
      • 1...Kc5!
  • Keys
    • 1.Ba8!
      • threat
        • 2.Qc7#
      • 1...Kc5
        • 2.Be7#
      • 1...Ke5
        • 2.Sc4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • K(d);S_FLIGHT::B(G)
    • K(d);S_FLIGHT::S(C)
  • Tries
    • Try
      • B(G);CHECK
      • Vars
        • K(d);P_SPINS(c),S_FLIGHT::QAB(K)
        • S(c);SBLOCK,XB(G)::QAB(K)
      • Refutation
        • K(d);S_FLIGHT,XB(G)
    • Try
      • B(L);
      • Threat
        • QAB1(K)
      • Vars
        • K(d);S_FLIGHT::B(G)
      • Refutation
        • K(d);S_FLIGHT
    • Try
      • B(L);
      • Threat
        • QAB1(K)
      • Vars
        • K(d);S_FLIGHT::S(C)
      • Refutation
        • K(d);S_FLIGHT
    • Try
      • B(L);
      • Threat
        • QAB1(K)
      • Vars
        • K(d);S_FLIGHT::S(C)
        • K(d);P-FLIGHT::QAR1(K)
      • Refutation
        • K(d);S_FLIGHT
    • Try
      • B(L);
      • Threat
        • QAB1(K)
      • Vars
        • K(d);S_FLIGHT::S(C)
        • K(d);P-FLIGHT::QAR1(K)
      • Refutation
        • K(d);S_FLIGHT
  • Actual
    • B(L);
    • Threat
      • QAB1(K)
    • Vars
      • K(d);S_FLIGHT::B(G)
      • K(d);S_FLIGHT::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).