MESON Chess Problem Database

Problem Display
PID: 56200 (8/2R5/4Q3/KB6/1P6/pNB2p2/ppkN1p2/q1r1bR2 w - - 0 1)

Loyd, Sam

City Chess Club, 1892

8/2R5/4Q3/KB6/1P6/pNB2p2/ppkN1p2/q1r1bR2

#2

9 + 9

5206 Sam Loyd and His Chess Problems 1913

SOLUTION

  • SOUND
  • Sets
    • 1...Rd1
      • 2.Bd4#
      • 2.Be5#
      • 2.Bf6#
      • 2.Bg7#
      • 2.Bh8#
      • 2.Qf5#
      • 2.Qe4#
      • 2.Qg6#
  • Tries
    • 1.Bd3+?
      • 1...Kxd3
        • 2.Qe4#
      • 1...Kd1!
  • Keys
    • 1.Sc4!
      • 1...Kb1
        • 2.Sxa3#
      • 1...Kd1
        • 2.Se3#
      • 1...Kxb3
        • 2.Se3#
      • 1...Kxc3
        • 2.Scd2#
        • 2.Sxa3#
        • 2.Se3#
        • 2.Se5#
        • 2.Sb6#
        • 2.Sd6#
      • 1...Kd3
        • 2.Sxa3#
        • 2.Se3#
      • 1...Bxc3
        • 2.Sxa3#
      • 1...b1Q
        • 2.Se3#
      • 1...b1S
        • 2.Se3#
      • 1...b1B
        • 2.Se3#
      • 1...b1R
        • 2.Se3#
      • 1...Qb1
        • 2.Se3#
      • 1...Rb1
        • 2.Se3#
      • 1...Rd1
        • 2.Sxa3#
      • 1...Bd2
        • 2.Sxa3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 12
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(G);CHECK
      • Vars
        • K(f);S_FLIGHT,XB(G)::QAB1(H)
      • Refutation
        • K(f);P_SPINB(c),S_FLIGHT
  • Actual
    • S(B);
    • Vars
      • K(f);S_FLIGHT::S(B),XP(h)
      • K(f);P_SPINB(c),S_FLIGHT::S(B)
      • K(f);S_FLIGHT,XS(C)::QAB(H)+S(B)
      • B(c);P_PINP(E),XB(D)::S(B),XP(h)
      • P(e);SBLOCK::S(B)
      • Q(a);SBLOCK::S(B)
      • R(b);SBLOCK::S(B)
      • R(b);SBLOCK::S(B),XP(h)
      • B(c);::S(B),XP(h)
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Developed and maintained by Brian Stephenson.
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