MESON Chess Problem Database

Problem Display
PID: 45037 (br6/Q7/2kPB3/2N2p2/1p3K2/8/3n4/3R4 w - - 0 1)

Planck, Charles

Morning Post, 1883

(First published on Mon Sep 17 1883)

br6/Q7/2kPB3/2N2p2/1p3K2/8/3n4/3R4

#2

6 + 6

3316 Chess Problem Text Book 1887
15351 SCPF/BCPS Black Books 2017

SOLUTION

  • SOUND
  • Sets
    • 1...Rb5
      • 2.Qc7#
    • 1...Sb1
      • 2.Bd7#
    • 1...Sf1
      • 2.Bd7#
    • 1...Sb3
      • 2.Bd7#
    • 1...Sf3
      • 2.Bd7#
    • 1...Sc4
      • 2.Bd7#
    • 1...Se4
      • 2.Bd7#
  • Tries
    • 1.Sa4?
      • threat
        • 2.Qd7#
      • 1...Kxd6
        • 2.Qd7#
      • 1...Rb7
        • 2.Qc5#
      • 1...Rd8
        • 2.Qb6#
        • 2.Qa6#
      • 1...Bb7
        • 2.Qc5#
        • 2.Qb6#
      • 1...Kb5!
  • Keys
    • 1.Sb3!
      • 1...Kb5
        • 2.Sd4#
      • 1...Kxd6
        • 2.Qd7#
      • 1...Sxb3
        • 2.Bd7#
      • 1...Rb5
        • 2.Qc7#
      • 1...Rb6
        • 2.Qd7#
      • 1...Rb7
        • 2.Qc5#
      • 1...Rc8
        • 2.Qa6#
      • 1...Rd8
        • 2.Qa6#
      • 1...Re8
        • 2.Qa6#
      • 1...Rf8
        • 2.Qa6#
      • 1...Rg8
        • 2.Qa6#
      • 1...Rh8
        • 2.Qa6#
      • 1...Bb7
        • 2.Qc5#
      • 1...Sb1
        • 2.Bd7#
      • 1...Sf1
        • 2.Bd7#
      • 1...Sf3
        • 2.Bd7#
      • 1...Sc4
        • 2.Bd7#
      • 1...Se4
        • 2.Bd7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 11
    • REMOVED MATES = 0
  • Sets
    • R(f);SBLOCK::QAR1(F)
    • S(a);::B(E)
  • Tries
    • Try
      • S(C);
      • Threat
        • QAB1(F)
      • Vars
        • K(d);P-FLIGHT,P_SPINS(a),XP(D)::QAR1(F)
        • R(f);SBLOCK::QAR1(F)
      • Refutation
        • K(d);S_FLIGHT
  • Actual
    • S(C);
    • Vars
      • K(d);S_FLIGHT::S(C)
      • K(d);P-FLIGHT,P_SPINS(a),XP(D)::QAR1(F)
      • S(a);XS(C)::B(E)
      • R(f);SBLOCK::QAR1(F)
      • R(f);SBLOCK::QAB1(F)
      • R(f);N_GUARD::QAR2(F)
      • B(e);SBLOCK::QAR1(F)
      • S(a);::B(E)
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