MESON Chess Problem Database

Problem Display
PID: 65407 (5RBK/6n1/1q5p/1NBPk3/3p4/2rP4/6Nn/6bQ w - - 0 1)

Bakcsi, Gyorgy

Comm., Olympic Ty., 1960

5RBK/6n1/1q5p/1NBPk3/3p4/2rP4/6Nn/6bQ

#2

9 + 8

56 The Problemist 2015

SOLUTION

  • SOUND
  • Sets
    • 1...Qa5
      • 2.Bd6#
    • 1...Qa7
      • 2.Bd6#
    • 1...Qd6
      • 2.Bxd6#
    • 1...Qb7
      • 2.Bd6#
  • Tries
    • 1.Se1?
      • threat
        • 2.Qe4#
      • 1...Rxd3
        • 2.Sxd3#
      • 1...Sf3
        • 2.Sxf3#
      • 1...Qg6!
    • 1.Sf4?
      • threat
        • 2.Qe4#
      • 1...Rxd3
        • 2.Sxd3#
      • 1...Qg6
        • 2.Sxg6#
      • 1...Sf3!
    • 1.Sh4?
      • threat
        • 2.Qe4#
      • 1...Qg6
        • 2.Sxg6#
      • 1...Sf3
        • 2.Sxf3#
      • 1...Rxd3!
    • 1.Bxd4+?
      • 1...Bxd4
        • 2.Qxh2#
      • 1...Qxd4!
  • Keys
    • 1.Se3!
      • threat
        • 2.Qe4#
      • 1...Rxd3
        • 2.Sc4#
      • 1...Qg6
        • 2.Bxd4#
      • 1...Sf3
        • 2.Sg4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 4
  • Sets
    • Q(f);N_GUARD::B(E)
    • Q(f);N_GUARD::B(E),XQ(f)
  • Tries
    • Try
      • S(B);
      • Threat
        • QAR1(A)
      • Vars
        • R(c);XP(C)::S(B),XR(c)
        • S(b);N_GUARD::S(B),XS(b)
      • Refutation
        • Q(f);
    • Try
      • S(B);
      • Threat
        • QAR1(A)
      • Vars
        • R(c);XP(C)::S(B),XR(c)
        • Q(f);N_GUARD::S(B),XQ(f)
      • Refutation
        • S(b);
    • Try
      • S(B);
      • Threat
        • QAR1(A)
      • Vars
        • Q(f);N_GUARD::S(B),XQ(f)
        • S(b);N_GUARD::S(B),XS(b)
      • Refutation
        • R(c);XP(C)
    • Try
      • B(E);CHECK,XP(d)
      • Vars
        • B(a);XB(E)::QAB(A),XS(b)
      • Refutation
        • Q(f);XB(E)
  • Actual
    • S(B);
    • Threat
      • QAR1(A)
    • Vars
      • R(c);N_GUARD,XP(C)::S(B)
      • Q(f);N_GUARD::B(E),XP(d)
      • S(b);N_GUARD::S(B)
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