MESON Chess Problem Database

Problem Display
PID: 99772 (7q/2r4p/1n2P3/5Q2/bP1kN3/5P1n/4B3/2rNBK2 w - - 0 1)

Talaber, Laszlo

Magyar Sakkelet, 1979

7q/2r4p/1n2P3/5Q2/bP1kN3/5P1n/4B3/2rNBK2

#2

9 + 8

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Sg1
      • 2.Bf2#
    • 1...Sf2
      • 2.Bxf2#
    • 1...Sf4
      • 2.Bf2#
    • 1...Sg5
      • 2.Bf2#
  • Tries
    • 1.Sc5?
      • threat
        • 2.Qe4#
      • 1...Qe5
        • 2.Qd3#
      • 1...Bc2
        • 2.Bc3#
      • 1...Bc6
        • 2.Sb3#
      • 1...Sf2
        • 2.Bxf2#
      • 1...Sg5
        • 2.Bf2#
      • 1...Qa8!
  • Keys
    • 1.Sec3!
      • threat
        • 2.Qe4#
      • 1...Qe5
        • 2.Qd3#
      • 1...Qa8
        • 2.Qf6#
      • 1...Bc2
        • 2.Sb5#
      • 1...Bc6
        • 2.Qc5#
      • 1...Sf2
        • 2.Bxf2#
      • 1...Sg5
        • 2.Bf2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 2
  • Sets
    • S(b);N_GUARD::B(B)
    • S(b);N_GUARD::B(B),XS(b)
  • Tries
    • Try
      • S(G);
      • Threat
        • QAR1(H)
      • Vars
        • Q(h);SBLOCK::QAR1(H)
        • B(c);S_CUTR(a)::B(B)
        • B(c);N_GUARD::S(G)
        • S(b);N_GUARD::B(B),XS(b)
        • S(b);N_GUARD::B(B)
      • Refutation
        • Q(h);
  • Actual
    • S(G);
    • Threat
      • QAR1(H)
    • Vars
      • Q(h);SBLOCK::QAR1(H)
      • Q(h);N_GUARD::QAB(H)
      • B(c);N_GUARD::S(G)
      • B(c);S_CUTR(f)::QAB1(H)
      • S(b);N_GUARD::B(B),XS(b)
      • S(b);N_GUARD::B(B)
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