MESON Chess Problem Database

Problem Display
PID: 7998 (B7/8/1K1p1N2/1p3p2/2pk1p2/1Pp3p1/1N1pQ3/8 w - - 0 1)

Rice, John Michael

Chess Problems for Solving, 1995

B7/8/1K1p1N2/1p3p2/2pk1p2/1Pp3p1/1N1pQ3/8

#2

6 + 9

SOLUTION

  • SOUND
  • Tries
    • 1.Qxc4+?
      • 1...Ke3
        • 2.Sd1#
      • 1...Ke5
        • 2.Sd7#
      • 1...bxc4!
  • Keys
    • 1.Sg4!
      • 1...cxb2
        • 2.Qxd2#
      • 1...cxb3
        • 2.Qd3#
      • 1...fxg4
        • 2.Qe4#
      • 1...c2
        • 2.Qxd2#
      • 1...d1Q
        • 2.Qxd1#
      • 1...d1S
        • 2.Qxd1#
      • 1...d1B
        • 2.Qxd1#
      • 1...d1R
        • 2.Qxd1#
      • 1...g2
        • 2.Qf2#
      • 1...f3
        • 2.Qe3#
      • 1...b4
        • 2.Qxc4#
      • 1...d5
        • 2.Qe5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 12
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(B);CHECK,XP(d)
      • Vars
        • K(e);S_FLIGHT::S(A)
        • K(e);S_FLIGHT::S(E)
      • Refutation
        • P(g);XQ(B)
  • Actual
    • S(E);
    • Vars
      • P(b);N_GUARD,XS(A)::QAR2(B),XP(a)
      • P(d);N_GUARD,XP(C)::QAR1(B)
      • P(h);N_GUARD,XS(E)::QAR1(B)
      • P(b);N_GUARD::QAR2(B),XP(a)
      • P(a);OGATEB::QAR(B),XQ(a)
      • P(a);OGATEB::QAR(B),XS(a)
      • P(a);OGATEB::QAR(B),XB(a)
      • P(a);OGATEB::QAR(B),XR(a)
      • P(c);N_GUARD::QAB(B)
      • P(f);N_GUARD::QAB1(B)
      • P(g);N_GUARD::QAR1(B),XP(d)
      • P(i);N_GUARD::QAB1(B)
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