MESON Chess Problem Database

Problem Display
PID: 87623 (6B1/8/8/3R2B1/4kn2/5NR1/K2p2r1/3N2r1 w - - 0 1)

Lourie, William I

American Chess Problemist, 1952

6B1/8/8/3R2B1/4kn2/5NR1/K2p2r1/3N2r1

#2

7 + 5

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Rxg3
      • 2.Sxd2#
    • 1...Se2
      • 2.Sxd2#
    • 1...Sd3
      • 2.Sc3#
    • 1...Sh3
      • 2.Sc3#
    • 1...Sxd5
      • 2.Bh7#
    • 1...Sh5
      • 2.Sc3#
    • 1...Se6
      • 2.Sc3#
    • 1...Sg6
      • 2.Sc3#
  • Tries
    • 1.Bh7+?
      • 1...Sg6
        • 2.Sc3#
      • 1...Kxd5!
  • Keys
    • 1.Bh6!
      • threat
        • 2.Sg5#
      • 1...Rxg3
        • 2.Sxd2#
      • 1...Sxd5
        • 2.Bh7#
      • 1...Se6
        • 2.Sc3#
      • 1...Se2
        • 2.Sxd2#
      • 1...Sd3
        • 2.Sc3#
      • 1...Sh3
        • 2.Sc3#
      • 1...Sh5
        • 2.Sc3#
      • 1...Sg6
        • 2.Sc3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • R(c);N_GUARD,XR(D)::S(C),XP(b)
    • S(e);S_CUTR(c)::S(C),XP(b)
    • S(e);::S(A)
    • S(e);N_GUARD,SBLOCK,XR(E)::B(G)
  • Tries
    • Try
      • B(G);CHECK
      • Vars
        • S(e);P_SPINS(e)::S(A)
      • Refutation
        • K(d);S_FLIGHT,XR(E)
  • Actual
    • B(F);
    • Threat
      • S(C)
    • Vars
      • R(c);N_GUARD,XR(D)::S(C),XP(b)
      • S(e);N_GUARD,SBLOCK,XR(E)::B(G)
      • S(e);::S(A)
      • S(e);S_CUTR(c)::S(C),XP(b)
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