MESON Chess Problem Database

Problem Display
PID: 134664 (3Q4/4P2K/2P1pp2/4k3/2p1p2R/7P/B3P3/8 w - - 0 1)

Markovtsy, Vassyl Yuriovich

Sachsische Zeitung, 1999

3Q4/4P2K/2P1pp2/4k3/2p1p2R/7P/B3P3/8

#2

8 + 5

14503 Problemschach-Jahrbuch (1999) 2000

SOLUTION

  • SOUND
  • Tries
    • 1.Qd6+?
      • 1...Kf5
        • 2.Rh5#
        • 2.Qf4#
      • 1...Kxd6!
    • 1.e3?
      • 1...Kf5
        • 2.Rh5#
      • 1...f5
        • 2.Qd4#
      • 1...c3!
    • 1.e8Q?
      • 1...Kf5
        • 2.Qh5#
      • 1...c3
        • 2.Qd5#
        • 2.Qxe6#
      • 1...f5
        • 2.Qh8#
      • 1...e3!
  • Keys
    • 1.e8S!
      • 1...Kf5
        • 2.Qxf6#
      • 1...c3
        • 2.Qxf6#
      • 1...e3
        • 2.Qa5#
      • 1...f5
        • 2.Qd6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(H);CHECK
      • Refutation
        • K(c);S_FLIGHT,XQ(H)
    • Try
      • P(B);
      • Vars
        • K(c);P-FLIGHT::R(D)
        • P(e);SBLOCK::QAB1(H)
      • Refutation
        • P(a);
    • Try
      • P(F);P_PINP(d)
      • Vars
        • K(c);N_SPINP(d),P-FLIGHT::QAR2(F)
        • P(e);OGATEB,SBLOCK::QAB(F)
      • Refutation
        • P(b);
  • Actual
    • P(F);
    • Vars
      • K(c);P-FLIGHT::QAR1(H),XP(e)
      • P(a);::QAB1(H),XP(e)
      • P(b);::QAR(H)
      • P(e);SBLOCK::QAB1(H)
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