MESON Chess Problem Database

Problem Display
PID: 46429 (8/8/8/8/3Q4/8/p1N1p1p1/r1k1rbK1 w - - 0 1)

Loyd, Sam

The Gambit, 1859

8/8/8/8/3Q4/8/p1N1p1p1/r1k1rbK1

#2

3 + 7

5206 Sam Loyd and His Chess Problems 1913

SOLUTION

  • SOUND
  • Tries
    • 1.Sa3?
      • 1...Rd1
        • 2.Qc3#
      • 1...Rb1!
  • Keys
    • 1.Qc3!
      • 1...Kb1
        • 2.Sa3#
      • 1...Kd1
        • 2.Se3#
      • 1...Rd1
        • 2.Sa3#
      • 1...Rb1
        • 2.Se3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(B);
      • Vars
        • R(c);SBLOCK::QAR2(C)
      • Refutation
        • R(a);
  • Actual
    • Q(C);
    • Vars
      • K(b);P-FLIGHT::S(B)
      • R(c);SBLOCK::QAR(C)+S(B)
      • R(a);SBLOCK::QAR(C)+S(B)
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