MESON Chess Problem Database

Problem Display
PID: 177718 (1B6/6R1/2k2P2/K4p2/3PnP2/2N5/2R5/7B w - - 0 1)

Lazdinits, Eriks

Rigasche Rundschau, 1934

1B6/6R1/2k2P2/K4p2/3PnP2/2N5/2R5/7B

#2

9 + 3

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Tries
    • 1.Sd5+?
      • 1...Sc3
        • 2.Sxc3#
        • 2.Se3#
        • 2.Sb4#
        • 2.Sb6#
        • 2.Rxc3#
      • 1...Sc5
        • 2.Se3#
        • 2.Sb4#
        • 2.Sb6#
        • 2.Rxc5#
      • 1...Kxd5!
  • Keys
    • 1.Rcg2!
      • 1...Sxc3
        • 2.Rc2#
      • 1...Sxf6
        • 2.R2g6#
      • 1...Sd2
        • 2.Rxd2#
      • 1...Sf2
        • 2.Rxf2#
      • 1...Sg3
        • 2.R2xg3#
      • 1...Sc5
        • 2.d5#
      • 1...Sg5
        • 2.R2xg5#
      • 1...Sd6
        • 2.Rc7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(C);CHECK,N_PINS(a)
      • Refutation
        • K(c);P_SPINS(a),S_FLIGHT,XS(C)
  • Actual
    • R(B);N_PINS(a)
    • Vars
      • S(a);OGATEB,XS(C)::B(A)+R(B)
      • S(a);OGATEB,XP(G)::B(A)+R(B)
      • S(a);OGATEB::B(A)+R(B),XS(a)
      • S(a);SBLOCK::P(D)
      • S(a);SBLOCK::R1(H)
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