MESON Chess Problem Database

Problem Display
PID: 67602 (3R4/5p1K/5P2/RNr1P1BQ/1pN1k1P1/1nbp1p2/B4P2/8 w - - 0 1)

List, Reto

Schweizerische Schachzeitung, 1980

3R4/5p1K/5P2/RNr1P1BQ/1pN1k1P1/1nbp1p2/B4P2/8

#2

12 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...d2
      • 2.Bb1#
  • Tries
    • 1.Bc1?
      • threat
        • 2.Qf5#
      • 1...Sd4
        • 2.Scd6#
      • 1...Rxe5!
    • 1.Bd2?
      • threat
        • 2.Qf5#
      • 1...Sd4
        • 2.Scd6#
      • 1...Rxe5!
    • 1.Bh6?
      • threat
        • 2.Qf5#
      • 1...Sd4
        • 2.Scd6#
      • 1...Rxe5!
    • 1.Qxf7?
      • threat
        • 2.Qg6#
      • 1...Rxc4
        • 2.Qd5#
      • 1...Rxe5
        • 2.Scd6#
      • 1...Sd4
        • 2.Sbd6#
      • 1...Rc7!
  • Keys
    • 1.Be3!
      • threat
        • 2.Qf5#
      • 1...Rxe5
        • 2.Sbd6#
      • 1...Sd4
        • 2.Scd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • P(c);OGATEB::B(A)
  • Tries
    • Try
      • B(H);
      • Threat
        • QAB1(I)
      • Vars
        • S(a);::S(C)
      • Refutation
        • R(g);XP(G)
    • Try
      • B(H);
      • Threat
        • QAB1(I)
      • Vars
        • S(a);::S(C)
      • Refutation
        • R(g);XP(G)
    • Try
      • B(H);
      • Threat
        • QAB1(I)
      • Vars
        • S(a);::S(C)
      • Refutation
        • R(g);XP(G)
    • Try
      • Q(I);XP(h)
      • Threat
        • QAB(I)
      • Vars
        • R(g);N_GUARD,XS(C)::QAB1(I)
        • R(g);SBLOCK,XP(G)::S(C)
        • S(a);SBLOCK::S(F)
      • Refutation
        • R(g);P_PINQ(I)
  • Actual
    • B(H);
    • Threat
      • QAB1(I)
    • Vars
      • R(g);XP(G)::S(F)
      • S(a);::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).