MESON Chess Problem Database

Problem Display
PID: 39819 (8/8/2Np2b1/8/1KN1p3/8/k2PR2q/2R5 w - - 0 1)

Lindner, Laszlo

Vozrojdenie, 1935

8/8/2Np2b1/8/1KN1p3/8/k2PR2q/2R5

#2

6 + 5

4080 Mattbilder eines Lebens 1996

SOLUTION

  • SOUND
  • Sets
    • 1...Qg1
      • 2.d3#
      • 2.d4#
    • 1...Qg3
      • 2.d3#
      • 2.d4#
    • 1...Qe5
      • 2.d4#
    • 1...Qh1
      • 2.d3#
      • 2.d4#
    • 1...Qh3
      • 2.d3#
      • 2.d4#
    • 1...Qh4
      • 2.d3#
      • 2.d4#
    • 1...Qh7
      • 2.d3#
      • 2.d4#
    • 1...Qh8
      • 2.d4#
  • Tries
    • 1.Rc2+?
      • 1...Ka1
        • 2.Re1#
      • 1...Kb1!
  • Keys
    • 1.Kc3!
      • threat
        • 2.Sb4#
      • 1...Qg3+
        • 2.d3#
      • 1...Qe5+
        • 2.d4#
      • 1...Qh3+
        • 2.d3#
      • 1...Qh8+
        • 2.d4#

This is a version of 39818

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • Q(b);N_GUARD::R(C)+P(B)
  • Tries
    • Try
      • R(A);CHECK
      • Vars
        • K(a);P-FLIGHT::R(C)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • K(D);S_FLIGHT
    • Threat
      • S(F)
    • Vars
      • Q(b);CHECK,N_GUARD::R(C)+P(B)
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