MESON Chess Problem Database

Problem Display
PID: 175145 (6K1/8/6kP/8/4N3/4B1N1/8/6Q1 w - - 0 1)

Kohtz, Johannes

Munchner Neueste Nachrichten, 1902

6K1/8/6kP/8/4N3/4B1N1/8/6Q1

#2

6 + 1

5454 Near Snap 2018
6490 yacpdb 2018

SOLUTION

  • SOUND
  • Tries
    • 1.Sf1+?
      • 1...Kh5
        • 2.Qg5#
      • 1...Kf5!
    • 1.Sh1+?
      • 1...Kh5
        • 2.Qg5#
      • 1...Kf5!
    • 1.Se2+?
      • 1...Kh5
        • 2.Qg5#
      • 1...Kf5!
    • 1.Sf5+?
      • 1...Kh5
        • 2.Sf6#
        • 2.Qg5#
      • 1...Kxf5!
    • 1.Sh5+?
      • 1...Kxh5
        • 2.Qg5#
      • 1...Kf5!
  • Keys
    • 1.Ba7!
      • 1...Kxh6
        • 2.Qb6#

This anticipates 34440(1927), 33179(1935)

This is a version of 175144

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(C);CHECK
      • Vars
        • K(a);S_FLIGHT::QAR1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(C);CHECK
      • Vars
        • K(a);S_FLIGHT::QAR1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(C);CHECK
      • Vars
        • K(a);S_FLIGHT::QAR1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(C);CHECK
      • Refutation
        • K(a);S_FLIGHT,XS(C)
    • Try
      • S(C);CHECK
      • Vars
        • K(a);S_FLIGHT,XS(C)::QAR1(A)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • B(B);
    • Vars
      • K(a);P-FLIGHT,XP(E)::QAR(A)
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