MESON Chess Problem Database

Problem Display
PID: 8028 (3R1Qn1/4p3/5nb1/5R2/2p5/2p1k1p1/2B1p3/1K2B3 w - - 0 1)

Rice, John Michael

Chess Problems for Solving, 1995

3R1Qn1/4p3/5nb1/5R2/2p5/2p1k1p1/2B1p3/1K2B3

#2

6 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Se4
      • 2.Rf3#
    • 1...Sg4
      • 2.Rf3#
    • 1...Sh5
      • 2.Rf3#
    • 1...Sh7
      • 2.Rf3#
    • 1...Se8
      • 2.Rf3#
    • 1...Sh6
      • 2.Qxh6#
    • 1...g2
      • 2.Bf2#
    • 1...e5
      • 2.Qc5#
    • 1...e6
      • 2.Qc5#
  • Tries
    • 1.Qxe7+?
      • 1...Se4
        • 2.Qxe4#
      • 1...Sxe7!
  • Keys
    • 1.Qg7!
      • 1...Bxf5
        • 2.Qxg3#
      • 1...Bh5
        • 2.Qg5#
      • 1...Bf7
        • 2.Qxg3#
        • 2.Qg5#
      • 1...Bh7
        • 2.Qxg3#
        • 2.Qg5#
      • 1...Be8
        • 2.Qxg3#
        • 2.Qg5#
      • 1...Se4
        • 2.Qd4#
      • 1...Sg4
        • 2.Qxc3#
        • 2.Qd4#
      • 1...Sd5
        • 2.Qe5#
      • 1...Sh5
        • 2.Qxc3#
        • 2.Qd4#
        • 2.Qe5#
      • 1...Sd7
        • 2.Qxc3#
      • 1...Sh7
        • 2.Qxc3#
        • 2.Qd4#
        • 2.Qe5#
      • 1...Se8
        • 2.Qxc3#
        • 2.Qd4#
        • 2.Qe5#
      • 1...Sh6
        • 2.Qxh6#
      • 1...g2
        • 2.Bf2#
      • 1...e5
        • 2.Qa7#
      • 1...e6
        • 2.Qa7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 3
    • ADDED MATES = 4
    • REMOVED MATES = 4
  • Sets
    • S(f);::R1(D)
    • S(i);N_GUARD::QAB(F),XS(i)
    • P(d);N_GUARD::B(B)
    • P(h);OGATE::QAB(F)
  • Tries
    • Try
      • Q(F);CHECK,XP(h)
      • Vars
        • S(f);N_GUARD,P_SPINS(f)::QAR1(F),XS(f)
      • Refutation
        • S(i);XQ(F)
  • Actual
    • Q(F);
    • Vars
      • B(g);OGATE,P_PINB(C),XR(D)::QAR2(F),XP(d)
      • B(g);OGATE::QAB(F)
      • S(f);OGATE::QAB1(F)
      • S(f);OGATE::QAR2(F)
      • S(f);OGATE::QAR2(F),XP(b)
      • S(i);N_GUARD::QAB(F),XS(i)
      • P(d);N_GUARD::B(B)
      • P(h);OGATE::QAB(F)
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Developed and maintained by Brian Stephenson.
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