MESON Chess Problem Database

Problem Display
PID: 248999 (1bB5/p1n1rN2/5r2/Qp1k4/2R2n2/1Kp5/4pp1q/8 w - - 0 1)

Buglos, Janos

The Problemist, 1990

1bB5/p1n1rN2/5r2/Qp1k4/2R2n2/1Kp5/4pp1q/8

#2

5 + 12

SOLUTION

  • SOUND
  • Sets
    • 1...Sfe6
      • 2.Bb7#
    • 1...Sa8
      • 2.Qxb5#
    • 1...Se8
      • 2.Qxb5#
  • Keys
    • 1.Qxc3!
      • threat
        • 2.Rd4#
        • 2.Qd4#
      • 1...bxc4+
        • 2.Qxc4#
      • 1...Rfxf7
        • 2.Qd4#
      • 1...Rexf7
        • 2.Qd4#
      • 1...Rd7
        • 2.Qe5#
      • 1...Qg3
        • 2.Rd4#
      • 1...Qh3
        • 2.Rd4#
      • 1...Re3
        • 2.Rd4#
      • 1...Re4
        • 2.Rc5#
      • 1...Sfe6
        • 2.Bb7#
      • 1...Sce6
        • 2.Qf3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 9
    • REMOVED MATES = 2
  • Sets
    • S(e);SBLOCK,S_CUTR(h)::B(E)
    • S(j);N_GUARD::QAR2(C),XP(f)
  • Actual
    • Q(C);N_PINP(f),XP(d)
    • Threat
      • DUALS(2)
    • Vars
      • P(f);CHECK,OGATE,XR(B)::QAB1(C),XP(f)
      • R(h);XS(D)::QAR1(C)
      • R(k);XS(D)::QAR1(C)
      • R(k);N_GUARD::QAR1(C)
      • Q(c);P_PINQ(C)::R1(B)
      • R(k);P_PINQ(C)::R1(B)
      • R(k);SBLOCK::R1(B)
      • S(e);SBLOCK,S_CUTR(h)::B(E)
      • S(j);S_CUTR(k)::QAB(C)
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