MESON Chess Problem Database

Problem Display
PID: 117160 (8/6bb/3r3B/8/1Q6/3pp3/p2NR3/qBkNK2R w K - 0 1)

Kubbel, Leonid Ivanovich (AKA Kubbel, Karl Artur Leonid)

64 Shakhmatnoe obozrenie, 1940

8/6bb/3r3B/8/1Q6/3pp3/p2NR3/qBkNK2R

#2

8 + 8

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...axb1S
      • 2.Sb3#
    • 1...axb1B
      • 2.Sb3#
    • 1...exd2+
      • 2.Bxd2#
  • Keys
    • 1.Sb2!
      • threat
        • 2.0-0#
      • 1...exd2+
        • 2.Kf2#
      • 1...Qxb1
        • 2.Sb3#
      • 1...axb1Q
        • 2.Sb3#
      • 1...axb1S
        • 2.Sb3#
      • 1...axb1B
        • 2.Sb3#
      • 1...axb1R
        • 2.Sb3#
      • 1...dxe2
        • 2.Kxe2#
      • 1...Rf6
        • 2.Qc3#
      • 1...Rg6
        • 2.Sxd3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
    • P(c);SBLOCK,XB(A)::S(E)
    • P(e);CHECK,OGATE,P_SPINP(e),XS(E)::B(H),XP(e)
  • Actual
    • S(B);
    • Threat
      • 0-0
    • Vars
      • P(e);CHECK,P_SPINP(e),XS(E)::R(D)+K(C)
      • Q(a);SBLOCK,XB(A)::S(E)
      • P(c);SBLOCK,XB(A)::S(E)
      • P(d);XR(F)::R(D)+K(C),XP(d)
      • R(f);S_CUTB(g)::QAR2(G)
      • R(f);N_GUARD,S_CUTB(h)::S(B),XP(d)
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