MESON Chess Problem Database

Problem Display
PID: 109343 (4B3/8/8/1Npk2P1/4p3/P7/4K3/2Q5 w - - 0 1)

Shoshin, Aleksandr Ivanovich

La Presse, 1899

4B3/8/8/1Npk2P1/4p3/P7/4K3/2Q5

#2

6 + 3

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Qxc5+?
      • 1...Ke6
        • 2.Sd4#
        • 2.Sc7#
      • 1...Kxc5!
  • Keys
    • 1.Qf4!
      • 1...Kc4
        • 2.Qf7#
      • 1...Ke6
        • 2.Qxe4#
      • 1...e3
        • 2.Sc7#
      • 1...c4
        • 2.Qd6#
        • 2.Qf5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(A);CHECK,XP(b)
      • Refutation
        • K(c);P-FLIGHT,XQ(A)
  • Actual
    • Q(A);
    • Vars
      • K(c);P_SPINP(a),S_FLIGHT::QAB(A)
      • K(c);S_FLIGHT::QAR2(A),XP(a)
      • P(a);::S(D)
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