MESON Chess Problem Database

Problem Display
PID: 129884 (8/8/2p3p1/2K1kPB1/2p3p1/8/2QP1P2/8 w - - 0 1)

Voda, Josef

Svobodne Slovo, 1953

8/8/2p3p1/2K1kPB1/2p3p1/8/2QP1P2/8

#2

6 + 5

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...c3
      • 2.d4#
    • 1...g3
      • 2.f4#
  • Tries
    • 1.Qxc4?
      • threat
        • 2.Qe6#
        • 2.Qf4#
      • 1...gxf5
        • 2.Qe2#
      • 1...Kxf5!
  • Keys
    • 1.Qb1!
      • 1...gxf5
        • 2.Qe1#
      • 1...c3
        • 2.d4#
      • 1...g3
        • 2.f4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • P(a);N_GUARD::P(B)
    • P(b);N_GUARD::P(C)
  • Tries
    • Try
      • Q(A);XP(a)
      • Threat
        • DUALS(2)
      • Vars
        • P(e);SBLOCK,XP(E)::QAR(A)
      • Refutation
        • K(c);P-FLIGHT,XP(E)
  • Actual
    • Q(A);
    • Vars
      • P(e);SBLOCK,XP(E)::QAR(A)
      • P(a);N_GUARD::P(B)
      • P(b);N_GUARD::P(C)
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