MESON Chess Problem Database

Problem Display
PID: 201572 (8/1p5r/3N2Q1/1p1k4/3P4/7p/1PNbP3/3K4 w - - 0 1)

Sova, Josef

Ceskoslovenska republika, 1922

8/1p5r/3N2Q1/1p1k4/3P4/7p/1PNbP3/3K4

#2

7 + 6

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Sc8?
      • threat
        • 2.Sb6#
      • 1...Kc4
        • 2.Qe6#
      • 1...b6
        • 2.Sxb6#
      • 1...Ba5!
    • 1.Qe6+?
      • 1...Kc6
        • 2.Se8#
      • 1...Kxe6!
  • Keys
    • 1.Sc4!
      • threat
        • 2.Sb6#
      • 1...Kxc4
        • 2.Qe6#
      • 1...bxc4
        • 2.e4#
      • 1...Ba5
        • 2.S4e3#
      • 1...b6
        • 2.Sxb6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(F);
      • Threat
        • S(F)
      • Vars
        • K(d);S_FLIGHT::QAB(G)
        • P(e);::S(F),XP(e)
      • Refutation
        • B(a);
    • Try
      • Q(G);CHECK
      • Vars
        • K(d);S_FLIGHT::QAR(G)+S(F)
      • Refutation
        • K(d);S_FLIGHT,XQ(G)
  • Actual
    • S(F);
    • Threat
      • S(F)
    • Vars
      • K(d);S_FLIGHT,XS(F)::QAB(G)
      • P(c);SBLOCK,XS(F)::P(D)
      • B(a);N_GUARD::S(F)
      • P(e);::S(F),XP(e)
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