MESON Chess Problem Database

Problem Display
PID: 187354 (2n1r3/6Q1/N7/2R1q2r/3k1P2/1K3p2/2BB4/8 w - - 0 1)

Bakcsi, Gyorgy

Suomen Shakki, 1982

2n1r3/6Q1/N7/2R1q2r/3k1P2/1K3p2/2BB4/8

#2

7 + 6

SOLUTION

  • SOUND
  • Tries
    • 1.Qd7+?
      • 1...Qd6
        • 2.Qa4#
      • 1...Qd5+
        • 2.Rc4#
      • 1...Sd6!
  • Keys
    • 1.Qg1+!
      • 1...Qe3+
        • 2.Bc3#
      • 1...f2
        • 2.Qa1#

FEATURES

  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(G);CHECK,N_PINQ(c)
      • Vars
        • Q(c);P_SPINQ(c)::QAR(G)
        • Q(c);CHECK,P_SPINQ(c)::R1(E)
      • Refutation
        • S(e);P_SPINS(e)
  • Actual
    • Q(G);CHECK,N_PINQ(c)
    • Vars
      • Q(c);CHECK,P_SPINQ(c)::B(B)
      • P(a);P_SPINP(a)::QAB(G)
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