MESON Chess Problem Database

Problem Display
PID: 216239 (8/4pRK1/5p2/5k2/3r1B2/3N1R2/4Q3/8 w - - 0 1)

Hopwood, Thomas Henry

British Chess Magazine, 1881

8/4pRK1/5p2/5k2/3r1B2/3N1R2/4Q3/8

#2

6 + 4

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Sf2?
      • threat
        • 2.Qe5#
      • 1...Re4
        • 2.Qxe4#
      • 1...e5
        • 2.Rxf6#
        • 2.Qxe5#
      • 1...Rd5
        • 2.Bc1#
        • 2.Bd2#
        • 2.Bh6#
        • 2.Qe4#
      • 1...Rxf4!
    • 1.Bh6+?
      • 1...Rf4
        • 2.Rxf4#
      • 1...Kg4!
  • Keys
    • 1.Rg3!
      • threat
        • 2.Rg5#
        • 2.Qe5#
      • 1...Rxd3
        • 2.Qe5#
      • 1...Rxf4
        • 2.Qe5#
      • 1...Re4
        • 2.Qg4#
      • 1...e5
        • 2.Rxf6#
        • 2.Qxe5#
      • 1...Rd5
        • 2.Rg5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(B);
      • Threat
        • QAR1(A)
      • Vars
        • R(a);N_GUARD::QAB1(A),XR(a)
      • Refutation
        • R(a);P_SPINR(a),XB(D)
    • Try
      • B(D);CHECK
      • Vars
        • R(a);N_GUARD,P_SPINR(a)::R1(C),XR(a)
      • Refutation
        • K(b);N_SPINP(c),S_FLIGHT
  • Actual
    • R(C);
    • Threat
      • DUALS(2)
    • Vars
      • R(a);XS(B)::QAR1(A)
      • R(a);XB(D)::QAR1(A)
      • R(a);SBLOCK::QAB1(A)
      • R(a);::R1(C)
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