MESON Chess Problem Database

Problem Display
PID: 31741 (2K5/Q7/p3B2P/4k3/Rn1N1N2/B2p4/n7/3R4 w - - 0 1)

Rowland, Frideswide F (Mrs TB, nee Beechey)

2nd Prize, Jamaica Family Journal, 1881

2K5/Q7/p3B2P/4k3/Rn1N1N2/B2p4/n7/3R4

#2

9 + 5

15 British Chess Magazine 1882
1253 Leeds Mercury Weekly Supplement 1882
3467 Chess Blossoms 1883
187 The Chess Bouquet 1897
15239 Valois Notebooks 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Kd6
      • 2.Qc7#
    • 1...Kf6
      • 2.Qg7#
  • Tries
    • 1.Sde2?
      • threat
        • 2.Qd4#
      • 1...Kd6
        • 2.Qc7#
      • 1...Kf6
        • 2.Qg7#
      • 1...Sc2
        • 2.Qg7#
      • 1...Sc6
        • 2.Qg7#
      • 1...Ke4!
    • 1.Sf5?
      • threat
        • 2.Qd4#
      • 1...Ke4
        • 2.Qe3#
      • 1...Kf6
        • 2.Qg7#
      • 1...Sc2
        • 2.Qg7#
      • 1...Sc6
        • 2.Qg7#
      • 1...Kxf4!
    • 1.Sg6+?
      • 1...Ke4
        • 2.Re1#
      • 1...Kd6
        • 2.Rxa6#
        • 2.Qb6#
        • 2.Qc7#
        • 2.Qe7#
      • 1...Kf6!
    • 1.Re1+?
      • 1...Kd6
        • 2.Rxa6#
        • 2.Qc7#
      • 1...Kf6
        • 2.Qg7#
      • 1...Kxf4!
  • Keys
    • 1.Sc2!
      • threat
        • 2.Qd4#
      • 1...Ke4
        • 2.Qe3#
      • 1...Kxf4
        • 2.Qe3#
      • 1...Kd6
        • 2.Qc7#
      • 1...Kf6
        • 2.Qg7#
      • 1...Sxc2
        • 2.Qg7#
      • 1...Sc6
        • 2.Qg7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • K(d);P_SPINS(c),S_FLIGHT::QAB1(H)
    • K(d);S_FLIGHT::QAB1(H)
  • Tries
    • Try
      • S(D);
      • Threat
        • QAB1(H)
      • Vars
        • K(d);P_SPINP(b),P_SPINS(c),S_FLIGHT::QAB1(H)
        • K(d);S_FLIGHT::QAB1(H)
        • S(c);::QAB(H)
      • Refutation
        • K(d);P-FLIGHT,P_SPINS(c)
    • Try
      • S(D);
      • Threat
        • QAB1(H)
      • Vars
        • K(d);P-FLIGHT,P_SPINS(c)::QAR1(H)
        • K(d);S_FLIGHT::QAB1(H)
        • S(c);::QAB(H)
      • Refutation
        • K(d);P_SPINS(c),S_FLIGHT,XS(E)
    • Try
      • S(E);CHECK
      • Vars
        • K(d);P-FLIGHT::R(A)
      • Refutation
        • K(d);S_FLIGHT
    • Try
      • R(A);CHECK
      • Vars
        • K(d);S_FLIGHT::QAB1(H)
      • Refutation
        • K(d);S_FLIGHT,XS(E)
  • Actual
    • S(D);
    • Threat
      • QAB1(H)
    • Vars
      • K(d);P-FLIGHT,P_SPINS(c)::QAR1(H)
      • K(d);P_SPINS(c),S_FLIGHT,XS(E)::QAB1(H)
      • K(d);P_SPINP(b),P_SPINS(c),S_FLIGHT::QAB1(H)
      • K(d);S_FLIGHT::QAB1(H)
      • S(c);XS(D)::QAB(H)
      • S(c);::QAB(H)
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