MESON Chess Problem Database

Problem Display
PID: 161503 (8/3N2K1/4pNp1/5p2/5k2/Q7/5Bnb/8 w - - 0 1)

Planck, Charles

Matlock Register, 1884

(First published on Sat Jun 28 1884)

8/3N2K1/4pNp1/5p2/5k2/Q7/5Bnb/8

#2

5 + 6

15351 SCPF/BCPS Black Books 2017

SOLUTION

  • SOUND
  • Sets
    • 1...Bg1
      • 2.Qg3#
    • 1...Bg3
      • 2.Qxg3#
    • 1...Se1
      • 2.Qe3#
    • 1...Se3
      • 2.Qxe3#
    • 1...Sh4
      • 2.Qe3#
  • Tries
    • 1.Sc5?
      • 1...Ke5
        • 2.Sd3#
      • 1...Kg5
        • 2.Sxe6#
      • 1...Se3
        • 2.Qxe3#
      • 1...e5
        • 2.Se6#
      • 1...Bg1
        • 2.Qg3#
      • 1...Bg3
        • 2.Qxg3#
      • 1...Se1
        • 2.Qe3#
      • 1...Sh4
        • 2.Qe3#
      • 1...g5!
    • 1.Qc1+?
      • 1...Se3
        • 2.Qxe3#
      • 1...Kf3!
    • 1.Qf3+?
      • 1...Kg5
        • 2.Sh7#
      • 1...Kxf3!
  • Keys
    • 1.Sf8!
      • 1...Ke5
        • 2.Sxg6#
      • 1...Kg5
        • 2.Sxe6#
      • 1...Se3
        • 2.Qxe3#
      • 1...e5
        • 2.Se6#
      • 1...Bg1
        • 2.Qg3#
      • 1...Bg3
        • 2.Qxg3#
      • 1...Se1
        • 2.Qe3#
      • 1...Sh4
        • 2.Qe3#
      • 1...g5
        • 2.Sg6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • B(b);N_GUARD::QAB1(B)
    • B(b);N_GUARD::QAB1(B),XB(b)
    • S(a);N_GUARD::QAB1(B)
    • S(a);N_GUARD::QAB1(B),XS(a)
  • Tries
    • Try
      • S(D);
      • Vars
        • K(c);S_FLIGHT::S(D)
        • K(c);S_FLIGHT::S(D),XP(e)
        • S(a);N_GUARD::QAB1(B),XS(a)
        • P(e);SBLOCK::S(D)
        • B(b);N_GUARD::QAB1(B)
        • B(b);N_GUARD::QAB1(B),XB(b)
        • S(a);N_GUARD::QAB1(B)
      • Refutation
        • P(f);
    • Try
      • Q(B);CHECK
      • Vars
        • S(a);N_GUARD,P_SPINS(a)::QAB1(B),XS(a)
      • Refutation
        • K(c);P-FLIGHT
    • Try
      • Q(B);CHECK
      • Vars
        • K(c);S_FLIGHT::S(C)
      • Refutation
        • K(c);P-FLIGHT,XQ(B)
  • Actual
    • S(D);
    • Vars
      • K(c);S_FLIGHT::S(D),XP(f)
      • K(c);S_FLIGHT::S(D),XP(e)
      • S(a);N_GUARD::QAB1(B),XS(a)
      • P(e);SBLOCK::S(D)
      • B(b);N_GUARD::QAB1(B)
      • B(b);N_GUARD::QAB1(B),XB(b)
      • S(a);N_GUARD::QAB1(B)
      • P(f);SBLOCK::S(D)
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