MESON Chess Problem Database

Problem Display
PID: 44970 (8/5R2/B7/2Pkn3/K6R/8/8/3N2Q1 w - - 0 1)

Frankenstein, Edward Nathan

The Field, 1883

(First published on Sat Feb 24 1883)

8/5R2/B7/2Pkn3/K6R/8/8/3N2Q1

#2

7 + 2

3316 Chess Problem Text Book 1887
15351 SCPF/BCPS Black Books 2017
15239 Valois Notebooks 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Kc6
      • 2.Bb7#
  • Tries
    • 1.Sc3+?
      • 1...Kc6
        • 2.Bb5#
        • 2.Bb7#
      • 1...Ke6!
    • 1.Rh5?
      • 1...Ke4
        • 2.Sc3#
      • 1...Kc6
        • 2.Bb7#
      • 1...Ke6!
    • 1.Re7?
      • 1...Kc6
        • 2.Bb7#
      • 1...Sd3
        • 2.Bb7#
      • 1...Sf3
        • 2.Bb7#
      • 1...Sc4
        • 2.Bb7#
      • 1...Sc6
        • 2.Sc3#
        • 2.Bc4#
      • 1...Sg6
        • 2.Bb7#
      • 1...Sd7
        • 2.Bb7#
      • 1...Sf7
        • 2.Bb7#
      • 1...Sg4!
    • 1.Qe3?
      • 1...Kc6
        • 2.Bb7#
      • 1...Ke6
        • 2.Bc4#
      • 1...Sxf7
        • 2.Bb7#
      • 1...Sd3
        • 2.Bb7#
      • 1...Sf3
        • 2.Bb7#
      • 1...Sc4
        • 2.Bb7#
      • 1...Sc6
        • 2.Sc3#
        • 2.Bc4#
        • 2.Rd7#
      • 1...Sg6
        • 2.Bb7#
      • 1...Sd7
        • 2.Bb7#
      • 1...Sg4!
    • 1.Qd4+?
      • 1...Kc6
        • 2.Bb5#
        • 2.Bb7#
        • 2.Qd6#
      • 1...Ke6!
  • Keys
    • 1.Re4!
      • 1...Kxe4
        • 2.Sc3#
      • 1...Kc6
        • 2.Bb7#
      • 1...Ke6
        • 2.Bc4#
      • 1...Sxf7
        • 2.Bb7#
      • 1...Sd3
        • 2.Bb7#
      • 1...Sf3
        • 2.Bb7#
      • 1...Sc4
        • 2.Bb7#
      • 1...Sg4
        • 2.Bb7#
      • 1...Sc6
        • 2.Sc3#
      • 1...Sg6
        • 2.Bb7#
      • 1...Sd7
        • 2.Bb7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 10
    • REMOVED MATES = 0
  • Sets
    • K(a);S_FLIGHT::B(F)
  • Tries
    • Try
      • S(A);CHECK
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(D);P_PINS(b)
      • Vars
        • K(a);N_SPINS(b),S_FLIGHT::S(A)
        • K(a);N_SPINS(b),S_FLIGHT::B(F)
      • Refutation
        • K(a);N_SPINS(b),S_FLIGHT
    • Try
      • R(G);
      • Vars
        • K(a);S_FLIGHT::B(F)
        • S(b);N_GUARD::B(F)
      • Refutation
        • S(b);
    • Try
      • Q(B);
      • Vars
        • K(a);S_FLIGHT::B(F)
        • K(a);P_SPINS(b),S_FLIGHT::B(F)
        • S(b);N_GUARD,XR(G)::B(F)
        • S(b);N_GUARD::B(F)
      • Refutation
        • S(b);
    • Try
      • Q(B);CHECK
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • R(D);
    • Vars
      • K(a);S_FLIGHT,XR(D)::S(A)
      • K(a);S_FLIGHT::B(F)
      • K(a);P_SPINS(b),S_FLIGHT::B(F)
      • S(b);N_GUARD,XR(G)::B(F)
      • S(b);N_GUARD::B(F)
      • S(b);SBLOCK::S(A)
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