MESON Chess Problem Database

Problem Display
PID: 54265 (8/1n1Qp3/2B5/N3k1P1/1b5r/3pBb2/7n/1K6 w - - 0 1)

Maybee, Edward E

Chess Life, 1956

8/1n1Qp3/2B5/N3k1P1/1b5r/3pBb2/7n/1K6

#2

6 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Rh3
      • 2.Sc4#
    • 1...Rc4
      • 2.Sxc4#
    • 1...Re4
      • 2.Qd5#
    • 1...Rh5
      • 2.Sc4#
    • 1...Rh6
      • 2.Sc4#
    • 1...Rh7
      • 2.Sc4#
    • 1...Rh8
      • 2.Sc4#
    • 1...Bd1
      • 2.Qd5#
    • 1...Be2
      • 2.Qd5#
    • 1...Be4
      • 2.Sc4#
    • 1...Bg4
      • 2.Sc4#
      • 2.Qd5#
    • 1...Bd5
      • 2.Qxd5#
    • 1...Bh5
      • 2.Qd5#
    • 1...Sg4
      • 2.Sc4#
  • Keys
    • 1.Be4!
      • threat
        • 2.Qd5#
      • 1...Kxe4
        • 2.Qe6#
      • 1...Rxe4
        • 2.Sc6#
      • 1...Bxe4
        • 2.Sc4#
      • 1...Bd6
        • 2.Qf5#
      • 1...Sd6
        • 2.Qxe7#
      • 1...e6
        • 2.Qd4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 4
    • REMOVED MATES = 11
  • Sets
    • R(e);N_GUARD::S(C)
    • R(e);N_GUARD::S(C),XR(e)
    • R(e);S_CUTB(c)::QAR1(F)
    • B(c);N_GUARD::QAR1(F)
    • B(c);S_CUTR(e)::S(C)
    • B(c);N_GUARD::QAR1(F),XB(c)
    • S(a);S_CUTR(e)::S(C)
  • Actual
    • B(E);
    • Threat
      • QAR1(F)
    • Vars
      • K(f);P-FLIGHT,XB(E)::QAR2(F)
      • R(e);SBLOCK,XB(E)::S(C)
      • B(c);SBLOCK,XB(E)::S(C)
      • B(d);SBLOCK::QAR1(F)
      • S(g);S_CUTB(d)::QAR2(F),XP(h)
      • P(h);SBLOCK::QAB1(F)
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