MESON Chess Problem Database

Problem Display
PID: 34851 (5kNK/4p3/p1Bp2pN/Pp2p1P1/2P2p2/1RQ5/1B6/8 w - - 0 1)

Reitman, Mark

HM., Chernomorski zudok, 1988

5kNK/4p3/p1Bp2pN/Pp2p1P1/2P2p2/1RQ5/1B6/8

#2

10 + 8

3657 Izbrannie Shakhmatnie Zadachi Marka Reitmana 2000

SOLUTION

  • SOUND
  • Sets
    • 1...f3
      • 2.Qxf3#
    • 1...bxc4
      • 2.Rb8#
    • 1...e4
      • 2.Qg7#
  • Tries
    • 1.Ba3?
      • 1...bxc4
        • 2.Rb8#
      • 1...f3
        • 2.Qxf3#
      • 1...e4
        • 2.Qg7#
      • 1...d5
        • 2.Bxe7#
      • 1...e6
        • 2.Bxd6#
      • 1...b4!
    • 1.Qxe5?
      • threat
        • 2.Qxf4#
        • 2.Qg7#
        • 2.Qxe7#
      • 1...f3
        • 2.Rxf3#
        • 2.Qf4#
        • 2.Qg7#
        • 2.Qxe7#
      • 1...e6
        • 2.Qxf4#
        • 2.Qxd6#
        • 2.Qf6#
        • 2.Qg7#
      • 1...dxe5!
  • Keys
    • 1.Qb4!
      • 1...bxc4
        • 2.Qb8#
      • 1...f3
        • 2.Rxf3#
      • 1...e4
        • 2.Bg7#
      • 1...d5
        • 2.Qxe7#
      • 1...e6
        • 2.Qxd6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 3
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • P(a);OGATEB::QAR(C),XP(a)
    • P(b);OGATE,XP(D)::R(B)
    • P(c);OGATE::QAB1(C)
  • Tries
    • Try
      • B(A);
      • Vars
        • P(b);OGATE,XP(D)::R(B)
        • P(a);OGATEB::QAR(C),XP(a)
        • P(c);OGATE::QAB1(C)
        • P(e);OGATE,P_SPINP(g)::B(A),XP(g)
        • P(g);OGATEB,P_SPINP(e)::B(A),XP(e)
      • Refutation
        • P(b);
    • Try
      • Q(C);XP(c)
      • Threat
        • DUALS(3)
      • Refutation
        • P(e);XQ(C)
  • Actual
    • Q(C);
    • Vars
      • P(b);OGATE,XP(D)::QAR(C)
      • P(a);OGATEB::R(B),XP(a)
      • P(c);OGATE::B(A)
      • P(e);OGATE,P_SPINP(g)::QAB1(C),XP(g)
      • P(g);OGATEB,P_SPINP(e)::QAB(C),XP(e)
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