MESON Chess Problem Database

Problem Display
PID: 147010 (8/4B3/3pNp2/2qP2n1/1pP1b3/1R1rkrR1/4P3/QBn1K3 w - - 0 1)

Zaric, Srbo

Australian Chess Problem Magazine, 1994

8/4B3/3pNp2/2qP2n1/1pP1b3/1R1rkrR1/4P3/QBn1K3

#2

10 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Qd4
      • 2.Qxd4#
    • 1...Qa7
      • 2.Qxa7#
    • 1...Qa5
      • 2.Qd4#
    • 1...Qb5
      • 2.Qd4#
    • 1...Qc6
      • 2.Qd4#
    • 1...Qc7
      • 2.Qd4#
    • 1...Qc8
      • 2.Qd4#
  • Keys
    • 1.Qe5!
      • threat
        • 2.Qf4#
      • 1...Sxe2
        • 2.Rxd3#
      • 1...Sxe6
        • 2.Rxf3#
      • 1...dxe5
        • 2.Bxc5#
      • 1...fxe5
        • 2.Bxg5#
      • 1...Sh3
        • 2.Rxf3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 7
  • Sets
    • Q(g);N_GUARD::QAB1(A),XQ(g)
    • Q(g);OGATEB::QAB(A),XQ(g)
    • Q(g);N_GUARD::QAB1(A)
  • Actual
    • Q(A);P_PINB(f)
    • Threat
      • QAB1(A)
    • Vars
      • S(a);N_GUARD,XP(D)::R1(E),XR(b)
      • S(h);N_GUARD,XS(I)::R1(F),XR(d)
      • P(i);N_SPINB(f),OGATE,XQ(A)::B(J),XQ(g)
      • P(j);N_SPINB(f),OGATE,XQ(A)::B(J),XS(h)
      • S(h);N_GUARD::R1(F),XR(d)
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