MESON Chess Problem Database

Problem Display
PID: 99415 (8/8/8/1K1QpP2/2PNP3/1PpBpP2/3k4/1R2N3 w - - 0 1)

Subotic, Miroslav

Magyar Sakkelet, 1990

8/8/8/1K1QpP2/2PNP3/1PpBpP2/3k4/1R2N3

#2

11 + 4

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Qxe5?
      • 1...e2
        • 2.Qf4#
      • 1...c2!
    • 1.Qd6?
      • 1...c2
        • 2.Qb4#
      • 1...e2
        • 2.Qh6#
      • 1...exd4!
    • 1.Qd8?
      • 1...c2
        • 2.Qa5#
      • 1...e2
        • 2.Qg5#
      • 1...exd4!
  • Keys
    • 1.Bf1!
      • threat
        • 2.Sdc2#
        • 2.Se2#
        • 2.Sc6#
        • 2.Se6#
      • 1...exd4
        • 2.Qxd4#
      • 1...c2
        • 2.Se2#
      • 1...e2
        • 2.Sdc2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(J);XP(d)
      • Vars
        • P(c);OGATEB::QAB(J)
      • Refutation
        • P(b);
    • Try
      • Q(J);
      • Vars
        • P(b);OGATEB::QAB(J)
        • P(c);OGATEB::QAB(J)
      • Refutation
        • P(d);XS(G)
    • Try
      • Q(J);
      • Vars
        • P(b);OGATEB::QAB(J)
        • P(c);OGATEB::QAB(J)
      • Refutation
        • P(d);XS(G)
  • Actual
    • B(D);
    • Threat
      • DUALS(4)
    • Vars
      • P(d);OGATE,P_SPINP(d),XS(G)::QAR2(J),XP(d)
      • P(b);::QAR(J)+S(G)
      • P(c);::QAR(J)+S(G)
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