MESON Chess Problem Database

Problem Display
PID: 31380 (8/4pNK1/4N1R1/1P1k4/4p3/P2p3Q/5p2/5B2 w - - 0 1)

Jacobs, Herbert

Winter-Wood, Edward John

Hackney Mercury, 1886

(First published on Sat May 8 1886)

8/4pNK1/4N1R1/1P1k4/4p3/P2p3Q/5p2/5B2

#2

8 + 5

3392 Chess Souvenirs 1886
15254 EJWW Scrapbook 2011

SOLUTION

  • SOUND
  • Sets
    • 1...d2
      • 2.Rg5#
      • 2.Qf5#
      • 2.Qb3#
      • 2.Qh5#
  • Tries
    • 1.Qg2?
      • 1...d2
        • 2.Qg5#
      • 1...Kc4!
    • 1.Qg4?
      • 1...d2
        • 2.Rg5#
        • 2.Qf5#
        • 2.Qh5#
        • 2.Qg5#
      • 1...e3
        • 2.Bg2#
        • 2.Rg5#
        • 2.Qd4#
      • 1...Kc4!
    • 1.Qh1?
      • 1...d2
        • 2.Qh5#
      • 1...Kc4!
    • 1.Qh4?
      • 1...d2
        • 2.Qg5#
        • 2.Qh5#
      • 1...e3
        • 2.Bg2#
        • 2.Qd4#
      • 1...Kc4!
  • Keys
    • 1.Rg4!
      • 1...Kc4
        • 2.Qxd3#
      • 1...Kxe6
        • 2.Rg5#
      • 1...d2
        • 2.Rg5#
        • 2.Qb3#
      • 1...e3
        • 2.Rd4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(C);P_PINP(c)
      • Vars
        • P(b);::QAR(C)
      • Refutation
        • K(d);N_SPINP(c),P_SPINP(b),S_FLIGHT
    • Try
      • Q(C);
      • Refutation
        • K(d);P_SPINP(b),S_FLIGHT
    • Try
      • Q(C);P_PINP(c)
      • Vars
        • P(b);::QAR(C)
      • Refutation
        • K(d);N_SPINP(c),P_SPINP(b),S_FLIGHT
    • Try
      • Q(C);
      • Refutation
        • K(d);P_SPINP(b),S_FLIGHT
  • Actual
    • R(F);
    • Vars
      • K(d);P_SPINP(b),S_FLIGHT::QAB1(C),XP(b)
      • K(d);S_FLIGHT,XS(E)::QAB(C)+R(F)
      • P(c);OGATE::R1(F)
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