MESON Chess Problem Database

Problem Display
PID: 136400 (2QN2r1/1ppK2p1/3b4/4Pk1P/1p3P2/2rq1PB1/2B3P1/8 w - - 0 1)

Cvejic, Bogdan

Liga Problemista, 1982/1

2QN2r1/1ppK2p1/3b4/4Pk1P/1p3P2/2rq1PB1/2B3P1/8

#2

10 + 9

6490 yacpdb 2010

SOLUTION

  • SOUND
  • Sets
    • 1...Qe4
      • 2.Bxe4#
    • 1...Rc5
      • 2.Bxd3#
    • 1...Rc6
      • 2.Bxd3#
    • 1...Rxd8+
      • 2.Kxd8#
    • 1...Re8
      • 2.Kxe8#
    • 1...Bc5+
      • 2.Kxc7#
    • 1...Bxe5+
      • 2.Ke7#
    • 1...Be7+
      • 2.Kxe7#
    • 1...Bf8+
      • 2.Ke8#
  • Keys
    • 1.Bh2!
      • threat
        • 2.g4#
      • 1...Rxd8+
        • 2.Kxd8#
      • 1...Bc5+
        • 2.Kxc7#
      • 1...Bxe5+
        • 2.Ke7#
      • 1...Be7+
        • 2.Kxe7#
      • 1...Bf8+
        • 2.Ke8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 4
  • Sets
    • Q(b);OGATE::B(A),XQ(b)
    • R(a);N_GUARD::B(A),XQ(b)
    • R(i);CHECK,XS(J)::QAB(I)+K(H),XR(i)
    • R(i);::QAB(I)+K(H),XR(i)
    • B(e);CHECK::QAB(I)+K(H),XP(g)
    • B(e);CHECK,XP(F)::QAB(I)+K(H)
    • B(e);CHECK::QAB(I)+K(H),XB(e)
    • B(e);CHECK::QAB(I)+K(H)
  • Actual
    • B(D);
    • Threat
      • P(B)
    • Vars
      • R(i);CHECK,XS(J)::QAB(I)+K(H),XR(i)
      • B(e);CHECK::QAB(I)+K(H),XP(g)
      • B(e);CHECK,XP(F)::QAB(I)+K(H)
      • B(e);CHECK::QAB(I)+K(H),XB(e)
      • B(e);CHECK::QAB(I)+K(H)
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Developed and maintained by Brian Stephenson.
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