MESON Chess Problem Database

Problem Display
PID: 101962 (nQ6/n2p1N1b/5p2/2PP4/2PkP2p/BKpP1p2/5b2/3R1N2 w - - 0 1)

Bakcsi, Gyorgy

64 Shakhmatnoe obozrenie, 1979

nQ6/n2p1N1b/5p2/2PP4/2PkP2p/BKpP1p2/5b2/3R1N2

#2

11 + 10

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...f5
      • 2.Qe5#
      • 2.Qh8#
  • Tries
    • 1.Qf4?
      • threat
        • 2.Qxf6#
      • 1...Bg3
        • 2.Qe3#
      • 1...Bf5
        • 2.exf5#
      • 1...f5
        • 2.Qe5#
        • 2.exf5#
        • 2.e5#
      • 1...Sc6!
    • 1.Qd6?
      • threat
        • 2.Qxf6#
      • 1...Sc6
        • 2.dxc6#
      • 1...f5
        • 2.Qe5#
        • 2.Qf6#
      • 1...Bg3!
    • 1.Qb4?
      • threat
        • 2.Qxc3#
      • 1...Sb5
        • 2.cxb5#
      • 1...c2
        • 2.Bb2#
        • 2.Qc3#
      • 1...Be1!
  • Keys
    • 1.Sg5!
      • threat
        • 2.Sxf3#
      • 1...Bxe4
        • 2.dxe4#
      • 1...fxg5
        • 2.Qh8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(K);
      • Threat
        • QAB(K),XP(f)
      • Vars
        • B(a);N_GUARD::QAB1(K)
        • B(i);OGATE::QAR(K)+P(G),XB(i)
      • Refutation
        • S(g);
    • Try
      • Q(K);
      • Threat
        • QAB(K),XP(f)
      • Vars
        • S(g);OGATE::QAR(K)+P(I),XS(g)
      • Refutation
        • B(a);
    • Try
      • Q(K);
      • Threat
        • QAB1(K),XP(b)
      • Vars
        • S(g);OGATE::QAR(K)+P(F),XS(g)
      • Refutation
        • B(a);
  • Actual
    • S(J);
    • Threat
      • S(J),XP(c)
    • Vars
      • B(i);OGATE,XP(G)::R(A)+P(E),XB(i)
      • P(f);OGATEB,XS(J)::QAB(K)
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