MESON Chess Problem Database

Problem Display
PID: 149974 (8/3K4/8/2pk4/N2bp3/8/2P5/B3Q3 w - - 0 1)

Calapso, Remo

Fanfulla da Lodi, 1887

8/3K4/8/2pk4/N2bp3/8/2P5/B3Q3

#2

5 + 4

5454 Near Snap 2014
15148 Sadier Collection 2014

SOLUTION

  • SOUND
  • Sets
    • 1...Bg1
      • 2.Sb6#
    • 1...Bf2
      • 2.Sb6#
    • 1...Be3
      • 2.Sb6#
    • 1...Be5
      • 2.Sb6#
    • 1...Bf6
      • 2.Sb6#
    • 1...Bg7
      • 2.Sb6#
    • 1...Bh8
      • 2.Sb6#
  • Keys
    • 1.Qe3!
      • 1...Kc4
        • 2.Qb3#
      • 1...Ke5
        • 2.Qg5#
      • 1...Bxa1
        • 2.Qxc5#
      • 1...Bxe3
        • 2.Sb6#
      • 1...Bb2
        • 2.Qxc5#
      • 1...Bc3
        • 2.Qxc5#
      • 1...Be5
        • 2.Sb6#
        • 2.Qxc5#
      • 1...Bf6
        • 2.Sb6#
        • 2.Qxc5#
      • 1...Bg7
        • 2.Sb6#
        • 2.Qxc5#
      • 1...Bh8
        • 2.Sb6#
        • 2.Qxc5#
      • 1...c4
        • 2.Qxd4#

This anticipates 2664(1890)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 6
  • Sets
    • B(a);::S(D)
  • Actual
    • Q(B);
    • Vars
      • K(d);S_FLIGHT::QAB1(B)
      • K(d);P-FLIGHT,P_SPINB(a),P_SPINP(b)::QAR2(B)
      • B(a);OGATE,XB(A)::QAR1(B),XP(c)
      • B(a);XQ(B)::S(D)
      • B(a);OGATE::QAR1(B),XP(c)
      • P(c);N_GUARD::QAR1(B),XB(a)
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