MESON Chess Problem Database

Problem Display
PID: 67174 (6Kn/8/8/2p2pN1/p1Rp1p2/B5Q1/p1P2pp1/rk4rR w - - 0 1)

Lindner, Laszlo

Sp. Prize, Bulgaria-1300 JT, 1979-1983

6Kn/8/8/2p2pN1/p1Rp1p2/B5Q1/p1P2pp1/rk4rR

#2

7 + 12

SOLUTION

  • SOUND
  • Sets
    • 1...Rc1
      • 2.Rxc1#
    • 1...Rd1
      • 2.Rxd1#
    • 1...f1S
      • 2.Qe1#
    • 1...f1B
      • 2.Qe1#
    • 1...f3
      • 2.Qb8#
  • Tries
    • 1.Se4?
      • threat
        • 2.Sd2#
      • 1...f1S
        • 2.Qe1#
      • 1...fxe4!
    • 1.Qd3?
      • threat
        • 2.c3#
      • 1...f1B
        • 2.Qd1#
      • 1...f1Q!
  • Keys
    • 1.Sf3!
      • threat
        • 2.Sd2#
      • 1...f1S
        • 2.Qe1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 4
  • Sets
    • R(c);OGATE::R1(A),XR(c)
    • R(c);OGATE::R(A),XR(c)
    • P(e);N_SPINR(c),OGATE::QAR(D)
    • P(i);OGATE::QAB(D)
  • Tries
    • Try
      • S(F);
      • Threat
        • S(F)
      • Vars
        • P(e);N_SPINR(c),OGATE::QAR(D)
      • Refutation
        • P(k);XS(F)
    • Try
      • Q(D);
      • Threat
        • QAB(D)+P(B)
      • Vars
        • P(e);N_SPINR(c),S_CUTR(c)::QAR2(D)
      • Refutation
        • P(e);N_SPINR(c)
  • Actual
    • S(F);
    • Threat
      • S(F)
    • Vars
      • P(e);N_SPINR(c),OGATE::QAR(D)
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