MESON Chess Problem Database

Problem Display
PID: 176053 (8/6B1/8/N3RP2/NK2B3/n7/p1pP3p/k5bR w - - 0 1)

Mikulcak, Josef

Schach-Echo, 1939

8/6B1/8/N3RP2/NK2B3/n7/p1pP3p/k5bR

#2

9 + 6

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Sb1
      • 2.Sb3#
    • 1...c1Q
      • 2.Sb3#
    • 1...c1B
      • 2.Sb3#
    • 1...c1R
      • 2.Sb3#
  • Tries
    • 1.Bxc2?
      • threat
        • 2.Sb3#
        • 2.Re1#
        • 2.Re2#
        • 2.Re3#
        • 2.Re4#
        • 2.Rb5#
        • 2.Rc5#
        • 2.Rd5#
        • 2.Re6#
        • 2.Re7#
        • 2.Re8#
      • 1...Sb1
        • 2.Sb3#
      • 1...Sc4
        • 2.Sb3#
        • 2.Re1#
      • 1...Sb5
        • 2.Sb3#
        • 2.Re1#
        • 2.Rxb5#
      • 1...Sxc2+!
  • Keys
    • 1.Bd3!
      • threat
        • 2.Re1#
      • 1...Kb1
        • 2.Re1#
      • 1...c1Q
        • 2.Sb3#
      • 1...c1S
        • 2.Re3#
      • 1...c1B
        • 2.Sb3#
      • 1...c1R
        • 2.Sb3#
      • 1...Sb1
        • 2.Sb3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • S(f);N_SPINB(b),SBLOCK::S(F)
    • P(d);N_SPINB(b)::S(F)
  • Tries
    • Try
      • B(E);XP(d)
      • Threat
        • DUALS(11)
      • Vars
        • S(f);N_SPINB(b)::S(F)
      • Refutation
        • S(f);CHECK,XB(E)
  • Actual
    • B(E);
    • Threat
      • B(I)+R(G),DCHECK
    • Vars
      • K(a);P-FLIGHT,P_SPINP(d)::R(G)
      • P(d);N_SPINB(b)::S(F)
      • P(d);N_SPINB(b)::B(I)+R(G)
      • S(f);N_SPINB(b),SBLOCK::S(F)
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Developed and maintained by Brian Stephenson.
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