MESON Chess Problem Database

Problem Display
PID: 74943 (6q1/r1PQ1p2/3p3r/5P2/b2B4/kn1N2R1/N2p4/1KbB4 w - - 0 1)

Junio, Noel Ferrer

Problem Online, 2006

6q1/r1PQ1p2/3p3r/5P2/b2B4/kn1N2R1/N2p4/1KbB4

#2

9 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Bb2
      • 2.Bxb2#
    • 1...Sa5
      • 2.Qxa4#
  • Tries
    • 1.Qxd6+?
      • 1...Sc5
        • 2.Bxc5#
        • 2.Qxc5#
      • 1...Rxd6!
  • Keys
    • 1.Sb2!
      • threat
        • 2.Sc4#
      • 1...Rxc7
        • 2.Qxa4#
      • 1...Bxb2
        • 2.Bxb2#
      • 1...Bxd7
        • 2.Rxb3#
      • 1...Bb5
        • 2.Rxb3#
      • 1...Bc6
        • 2.Rxb3#
      • 1...d5
        • 2.Bc5#
      • 1...f6
        • 2.Qxd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 1
  • Sets
    • B(a);N_GUARD::B(F),XB(a)
    • S(d);S_CUTR(h)::QAR1(I),XB(e)
  • Tries
    • Try
      • Q(I);CHECK,XP(f)
      • Refutation
        • R(g);XQ(I)
  • Actual
    • S(D);P_PINS(d)
    • Threat
      • S(D)
    • Vars
      • R(h);N_GUARD,XP(H)::QAR1(I),XB(e)
      • B(a);OGATE,XS(D)::B(F),XB(a)
      • B(e);N_GUARD,XQ(I)::R1(E),XS(d)
      • B(e);N_GUARD::R1(E),XS(d)
      • P(f);N_GUARD::B(F)
      • P(i);S_CUTR(g)::QAB(I),XP(f)
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