MESON Chess Problem Database

Problem Display
PID: 129755 (8/8/pN6/k7/B3Q3/8/1N6/K5b1 w - - 0 1)

Cumpe, Josef

Sokolske besedy, 1930

8/8/pN6/k7/B3Q3/8/1N6/K5b1

#2

5 + 3

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Bxb6
      • 2.Qe1#
  • Keys
    • 1.Qe7!
      • threat
        • 2.S2c4#
        • 2.S6c4#
      • 1...Kxb6
        • 2.Sc4#
      • 1...Bxb6
        • 2.Qe1#
      • 1...Bc5
        • 2.Qxc5#
      • 1...Bd4
        • 2.Sc4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • B(a);SBLOCK,XS(E)::QAB(D)
  • Actual
    • Q(D);
    • Threat
      • DUALS(2)
    • Vars
      • K(b);S_FLIGHT,XS(E)::S(B)
      • B(a);SBLOCK,XS(E)::QAB(D)
      • B(a);N_GUARD::QAR2(D),XB(a)
      • B(a);P_PINS(B)::S(E)
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