MESON Chess Problem Database

Problem Display
PID: 183600 (5Q1b/2p5/B2r4/P1k5/1N1R4/8/1K3B2/4nR2 w - - 0 1)

Kreibich, Kamil

Mlada Fronta, 1948

(First published on Sat May 8 1948)

5Q1b/2p5/B2r4/P1k5/1N1R4/8/1K3B2/4nR2

#2

8 + 5

3485 Sachova skladba 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Sg2
      • 2.Rc1#
    • 1...Sf3
      • 2.Rc1#
    • 1...c6
      • 2.Qxd6#
  • Tries
    • 1.Qf5+?
      • 1...Rd5
        • 2.Qxd5#
      • 1...Be5!
  • Keys
    • 1.Qf3!
      • threat
        • 2.Qc3#
      • 1...Sd3+
        • 2.Sxd3#
      • 1...Rxd4
        • 2.Qf8#
      • 1...Rxa6
        • 2.Qd5#
      • 1...Sxf3
        • 2.Rc1#
      • 1...Rd5
        • 2.Qxd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 2
  • Sets
    • S(a);OGATE::R(A)
    • P(d);N_GUARD::QAB1(H),XR(c)
  • Tries
    • Try
      • Q(H);CHECK,N_PINR(c)
      • Vars
        • R(c);N_GUARD,P_SPINR(c)::QAR1(H),XR(c)
      • Refutation
        • B(e);P_SPINB(e)
  • Actual
    • Q(H);N_PINR(c)
    • Threat
      • QAR2(H)
    • Vars
      • S(a);CHECK,N_GUARD::S(D),XS(a)
      • R(c);OGATEB,P_SPINR(c),XR(E)::QAB(H)
      • R(c);N_GUARD,XB(G)::QAR1(H)
      • S(a);OGATE,XQ(H)::R(A)
      • R(c);N_GUARD::QAR1(H),XR(c)
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