MESON Chess Problem Database

Problem Display
PID: 56125 (2b5/8/1nQ1p1R1/p4kpK/r5rp/3Nb3/8/1B6 w - - 0 1)

Mansfield, Comins

Canadian Chess Chat, 1981

2b5/8/1nQ1p1R1/p4kpK/r5rp/3Nb3/8/1B6

#2

5 + 10

4054 Complete Mansfield/III 1999

SOLUTION

  • SOUND
  • Sets
    • 1...Ba6
      • 2.Qxe6#
    • 1...Bb7
      • 2.Qxe6#
    • 1...Sd7
      • 2.Qxe6#
    • 1...e5
      • 2.Rf6#
  • Keys
    • 1.Qd6!
      • threat
        • 2.Qe5#
      • 1...Ke4
        • 2.Se1#
      • 1...Rae4
        • 2.Qf8#
      • 1...Rge4
        • 2.Qf8#
      • 1...Bd4
        • 2.Sf4#
      • 1...Bf4
        • 2.Sb4#
      • 1...Sc4
        • 2.Sf4#
      • 1...Sd7
        • 2.Qxe6#
      • 1...e5
        • 2.Qxe5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 6
    • REMOVED MATES = 2
  • Sets
    • B(j);N_GUARD::QAB1(D),XP(i)
    • S(h);S_CUTB(j)::QAB1(D),XP(i)
    • P(i);::R1(E)
  • Actual
    • Q(D);
    • Threat
      • QAR1(D)
    • Vars
      • K(f);S_FLIGHT::B(A)+S(B)
      • R(b);SBLOCK::QAR(D)
      • R(c);SBLOCK::QAR(D)
      • B(a);S_CUTR(b)::B(A)+S(B)
      • B(a);S_CUTR(c)::B(A)+S(B)
      • S(h);S_CUTR(b)::B(A)+S(B)
      • S(h);S_CUTB(j)::QAB1(D),XP(i)
      • P(i);::QAR1(D),XP(i)
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