MESON Chess Problem Database

Problem Display
PID: 190162 (8/3p4/1p6/kPp5/rNP5/p7/B3K3/1Q6 w - - 0 1)

Friedlander, Louis

Magyar Sakkvilag, 1913

8/3p4/1p6/kPp5/rNP5/p7/B3K3/1Q6

#2

6 + 6

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...d5
      • 2.Sc6#
    • 1...d6
      • 2.Sc6#
  • Tries
    • 1.Qe4?
      • 1...Rxb4
        • 2.Qa8#
      • 1...cxb4
        • 2.Qa8#
      • 1...d5
        • 2.Sc6#
      • 1...d6
        • 2.Sc6#
      • 1...Kxb4!
  • Keys
    • 1.Qh1!
      • 1...Kxb4
        • 2.Qe1#
      • 1...Rxb4
        • 2.Qa8#
      • 1...cxb4
        • 2.Qa8#
      • 1...d5
        • 2.Sc6#
      • 1...d6
        • 2.Sc6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • P(f);N_GUARD::S(D)
  • Tries
    • Try
      • Q(A);
      • Vars
        • R(b);SBLOCK,XS(D)::QAR(A)
        • P(d);SBLOCK,XS(D)::QAR(A)
        • P(f);N_GUARD::S(D)
      • Refutation
        • K(c);S_FLIGHT,XS(D)
  • Actual
    • Q(A);
    • Vars
      • K(c);OGATEB,S_FLIGHT,XS(D)::QAB(A)
      • R(b);SBLOCK,XS(D)::QAR(A)
      • P(d);SBLOCK,XS(D)::QAR(A)
      • P(f);N_GUARD::S(D)
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