MESON Chess Problem Database

Problem Display
PID: 99012 (B7/1N1N1pK1/1p6/5p2/R1pk2b1/4R3/1rpP1p2/5qbQ w - - 0 1)

Bakcsi, Gyorgy

Magyar Sakkelet, 1980

B7/1N1N1pK1/1p6/5p2/R1pk2b1/4R3/1rpP1p2/5qbQ

#2

8 + 11

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...f4
      • 2.Qe4#
  • Tries
    • 1.Sa5?
      • threat
        • 2.Sc6#
        • 2.Qd5#
      • 1...bxa5
        • 2.Qd5#
      • 1...Qg2
        • 2.Rxc4#
      • 1...Rb5
        • 2.Sc6#
      • 1...Bf3!
    • 1.Sbc5?
      • threat
        • 2.Qd5#
      • 1...Qg2
        • 2.Rd3#
      • 1...Bf3!
  • Keys
    • 1.Sd6!
      • threat
        • 2.Qd5#
      • 1...Bf3
        • 2.Sxf5#
      • 1...Qg2
        • 2.Rxc4#
      • 1...Rb5
        • 2.Sxb5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 1
  • Sets
    • P(i);N_GUARD::QAR1(A)
  • Tries
    • Try
      • S(E);
      • Threat
        • DUALS(2)
      • Vars
        • P(j);XS(E)::QAR1(A)
        • Q(a);N_GUARD::R1(D),XP(f)
        • R(c);::S(E)
      • Refutation
        • B(h);
    • Try
      • S(E);
      • Threat
        • QAR1(A)
      • Vars
        • Q(a);N_GUARD::R1(C)
      • Refutation
        • B(h);
  • Actual
    • S(E);
    • Threat
      • QAR1(A)
    • Vars
      • B(h);N_GUARD::S(E),XP(i)
      • Q(a);N_GUARD::R1(D),XP(f)
      • R(c);N_GUARD::S(E),XR(c)
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