MESON Chess Problem Database

Problem Display
PID: 110452 (2KR4/2Pp4/1b3N1Q/4P3/5r2/Nnpk1P2/B1p1nP2/2B1R3 w - - 0 1)

Talaber, Laszlo

Szekszard TST TT, 1963

2KR4/2Pp4/1b3N1Q/4P3/5r2/Nnpk1P2/B1p1nP2/2B1R3

#2

12 + 8

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Rd4
      • 2.Qe3#
    • 1...Sed4
      • 2.Re3#
    • 1...Sbd4
      • 2.Bc4#
  • Tries
    • 1.Rxd7+?
      • 1...Rd4
        • 2.Qe3#
        • 2.Qg6#
        • 2.Qh7#
      • 1...Sed4
        • 2.Re3#
      • 1...Sbd4
        • 2.Bc4#
      • 1...Bd4!
  • Keys
    • 1.Sxd7!
      • threat
        • 2.Sc5#
      • 1...Kd4
        • 2.Qd6#
      • 1...Rd4
        • 2.Qe3#
      • 1...Bd4
        • 2.Qa6#
      • 1...Bc5
        • 2.Sxc5#
      • 1...Sed4
        • 2.Re3#
      • 1...Sbd4
        • 2.Bc4#
      • 1...Sc5
        • 2.Sxc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • R(f);N_SPINP(h),OGATE::QAR1(I)
    • S(b);N_SPINP(h),OGATE,SBLOCK::R1(B)
    • S(c);N_SPINP(h),OGATE,SBLOCK::B(C)
  • Tries
    • Try
      • R(L);CHECK,XP(h)
      • Vars
        • S(b);OGATE,P_SPINS(b)::R1(B)
        • S(c);OGATE,P_SPINS(c)::B(C)
      • Refutation
        • B(g);P_SPINB(g)
  • Actual
    • S(H);XP(h)
    • Threat
      • R(L)+S(H),DCHECK
    • Vars
      • K(e);P-FLIGHT::QAR2(I)
      • R(f);OGATE::QAR1(I)
      • B(g);OGATE,SBLOCK::QAB(I)
      • B(g);::R(L)+S(H),DCHECK,XB(g)
      • S(b);OGATE,SBLOCK::R1(B)
      • S(c);OGATE,SBLOCK::B(C)
      • S(c);::R(L)+S(H),DCHECK,XS(c)
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Developed and maintained by Brian Stephenson.
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