MESON Chess Problem Database

Problem Display
PID: 110392 (5b2/8/1Q4R1/2P5/4N3/K1PNkPpr/3pP3/3B3q w - - 0 1)

Zavodny, Zdenek

UV CSTV, 1969

5b2/8/1Q4R1/2P5/4N3/K1PNkPpr/3pP3/3B3q

#2

10 + 6

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Bxc5+
      • 2.Qxc5#
    • 1...Bd6
      • 2.cxd6#
    • 1...Bh6
      • 2.c6#
  • Tries
    • 1.Sf6?
      • threat
        • 2.Sg4#
        • 2.Sd5#
        • 2.Qe6#
      • 1...Bxc5+
        • 2.Qxc5#
      • 1...Qxd1
        • 2.Qe6#
      • 1...Rh4
        • 2.Sd5#
      • 1...Rh5
        • 2.Sg4#
      • 1...Bd6
        • 2.Sg4#
        • 2.Sd5#
        • 2.cxd6#
      • 1...Qxf3!
  • Keys
    • 1.Sd6!
      • threat
        • 2.Sc4#
        • 2.Sf5#
        • 2.Re6#
        • 2.c6#
      • 1...Qxf3
        • 2.c6#
      • 1...Qxd1
        • 2.Re6#
      • 1...Bxd6
        • 2.cxd6#
      • 1...Rh4
        • 2.Sf5#
      • 1...Rh5
        • 2.Sc4#
      • 1...Rh6
        • 2.Sc4#
        • 2.Sf5#
        • 2.c6#
      • 1...Bg7
        • 2.Sc4#
        • 2.Sf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 2
  • Sets
    • B(f);CHECK,OGATE,P_SPINB(f),XP(H)::QAB(I),XB(f)
    • B(f);::QAB(I)+P(H),XB(f)
    • B(f);N_PINP(H)::QAB(I)+P(H)
  • Tries
    • Try
      • S(G);
      • Threat
        • DUALS(3)
      • Vars
        • B(f);CHECK,OGATE,P_SPINB(f),XP(H)::QAB(I),XB(f)
        • Q(a);XB(A)::QAR(I)
        • R(e);::S(G)
      • Refutation
        • Q(a);XP(F)
  • Actual
    • S(G);N_SPINP(H)
    • Threat
      • DUALS(4)
    • Vars
      • Q(a);XP(F)::QAB(I)+P(H)
      • Q(a);XB(A)::R(J)
      • B(f);OGATE,P_PINP(H),XS(G)::QAB(I)+P(H),XB(f)
      • R(e);::S(G)
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