MESON Chess Problem Database

Problem Display
PID: 4618 (8/2pN4/2n5/1N1p2b1/4k3/7K/3P4/5Q2 w - - 0 1)

Planck, Charles

Illustrated Sporting and Dramatic News, 1884

8/2pN4/2n5/1N1p2b1/4k3/7K/3P4/5Q2

#2

5 + 5

3316 Chess Problem Text Book 1887
16 Chess Amateur (The) 1909
3360 Simple Two-move Themes 1924
3310 2345 Chess Problems 1997
15351 SCPF/BCPS Black Books 2017

SOLUTION

  • SOUND
  • Sets
    • 1...Be3
      • 2.d3#
    • 1...Sd4
      • 2.Sc3#
    • 1...Se5
      • 2.Sc5#
  • Tries
    • 1.Kg4?
      • threat
        • 2.Qb1#
        • 2.Qf3#
        • 2.Qf5#
      • 1...Bxd2
        • 2.Qf3#
      • 1...d4
        • 2.Qf3#
        • 2.Qf5#
      • 1...Be3
        • 2.Qb1#
        • 2.Qf5#
        • 2.d3#
      • 1...Bf4
        • 2.Qb1#
        • 2.Qf3#
      • 1...Sb4
        • 2.Qf3#
        • 2.Qf5#
      • 1...Sd4
        • 2.Sc3#
      • 1...Se7
        • 2.Qb1#
        • 2.Qf3#
      • 1...Se5+!
  • Keys
    • 1.Kg2!
      • threat
        • 2.Qf3#
      • 1...Bf4
        • 2.Qb1#
      • 1...Be3
        • 2.d3#
      • 1...Sd4
        • 2.Sc3#
      • 1...Se5
        • 2.Sc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • B(c);SBLOCK::P(B)
    • S(d);SBLOCK::S(D)
    • S(d);SBLOCK::S(E)
  • Tries
    • Try
      • K(C);S_FLIGHT
      • Threat
        • DUALS(3)
      • Vars
        • B(c);XP(B)::QAB1(A)
        • S(d);SBLOCK::S(D)
      • Refutation
        • S(d);CHECK
  • Actual
    • K(C);S_FLIGHT
    • Threat
      • QAB1(A)
    • Vars
      • B(c);SBLOCK::QAB(A)
      • B(c);SBLOCK::P(B)
      • S(d);SBLOCK::S(D)
      • S(d);SBLOCK::S(E)
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Developed and maintained by Brian Stephenson.
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