MESON Chess Problem Database

Problem Display
PID: 97737 (2Q1R1r1/1Bpp2Bp/r3n3/3bN1p1/5kP1/1R3P2/p5K1/8 w - - 0 1)

Dukic, Milenko

Problemas, 1971

2Q1R1r1/1Bpp2Bp/r3n3/3bN1p1/5kP1/1R3P2/p5K1/8

#2

9 + 10

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Bxf3+
      • 2.Rxf3#
    • 1...Sd4
      • 2.Sd3#
    • 1...Sxg7
      • 2.Sd3#
    • 1...Sd8
      • 2.Sd3#
    • 1...Sf8
      • 2.Sd3#
    • 1...h5
      • 2.Sg6#
    • 1...h6
      • 2.Sg6#
  • Keys
    • 1.Qxc7!
      • threat
        • 2.Sg6#
        • 2.Qc1#
      • 1...Bxf3+
        • 2.Rxf3#
      • 1...Rxg7
        • 2.Sg6#
      • 1...Bxb3
        • 2.Qc1#
      • 1...Sxc7
        • 2.Sd3#
      • 1...a1Q
        • 2.Sg6#
      • 1...a1R
        • 2.Sg6#
      • 1...Bc4
        • 2.Sg6#
      • 1...Rc6
        • 2.Sg6#
      • 1...Rd6
        • 2.Qc1#
      • 1...Bc6
        • 2.Sg6#
      • 1...Sc5
        • 2.Sd3#
        • 2.Sg6#
      • 1...d6
        • 2.Qc1#
        • 2.Qf7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 9
    • REMOVED MATES = 6
  • Sets
    • B(c);CHECK,OGATE,XP(C)::R1(B),XB(c)
    • S(f);::S(E)
    • S(f);XB(G)::S(E)
    • P(i);N_GUARD::S(E)
  • Actual
    • Q(H);XP(g)
    • Threat
      • DUALS(2)
    • Vars
      • B(c);CHECK,OGATE,XP(C)::R1(B),XB(c)
      • R(j);XB(G)::QAB(H)+S(E),DCHECK
      • B(c);N_PINP(C),XR(B)::QAB(H)
      • S(f);XQ(H)::S(E)
      • P(a);::QAB(H)+S(E),DCHECK
      • B(c);N_PINP(C)::QAB(H)+S(E),DCHECK
      • R(e);::QAB(H)+S(E),DCHECK
      • R(e);::QAB(H)
      • B(c);::QAB(H)+S(E),DCHECK
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