MESON Chess Problem Database

Problem Display
PID: 222428 (2B5/5K2/7P/1p6/2p1kpN1/3p1Nb1/4p3/2Q5 w - - 0 1)

Gold, Samuel

Vsemirnaya Illustrantiya, 1884

2B5/5K2/7P/1p6/2p1kpN1/3p1Nb1/4p3/2Q5

#2

6 + 7

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Kxf3
      • 2.Qh1#
  • Tries
    • 1.Qxc4+?
      • 1...Kxf3
        • 2.Qd5#
        • 2.Qc6#
      • 1...bxc4!
  • Keys
    • 1.Qa3!
      • threat
        • 2.Qa8#
      • 1...Kxf3
        • 2.Qa8#
      • 1...Kd5
        • 2.Bb7#
      • 1...d2
        • 2.Sf6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(e);OGATEB,S_FLIGHT,XS(B)::QAB(A)
  • Tries
    • Try
      • Q(A);CHECK,XP(d)
      • Refutation
        • P(g);XQ(A)
  • Actual
    • Q(A);
    • Threat
      • QAB(A)
    • Vars
      • K(e);P_SPINP(b),S_FLIGHT,XS(B)::QAB(A)
      • K(e);S_FLIGHT::B(F)
      • P(b);::S(C)
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