MESON Chess Problem Database

Problem Display
PID: 22199 (1R2B3/8/8/8/2kP4/2N2K2/8/Q7 w - - 0 1)

von Meyenfeldt, Frits H

Nederland in Miniatuur, 1972

1R2B3/8/8/8/2kP4/2N2K2/8/Q7

#2

6 + 1

4883 Still More Fun with Chess Miniatures 2002
5454 Near Snap 2018

SOLUTION

  • SOUND
  • Tries
    • 1.Sb1?
      • 1...Kd3
        • 2.Qc3#
      • 1...Kd5!
    • 1.Sd1?
      • 1...Kd3
        • 2.Qc3#
      • 1...Kd5!
    • 1.Sa2?
      • 1...Kd3
        • 2.Qc3#
      • 1...Kd5!
    • 1.Se2?
      • 1...Kd3
        • 2.Qc3#
      • 1...Kd5!
    • 1.Sa4?
      • 1...Kd3
        • 2.Qc3#
      • 1...Kd5!
    • 1.Se4?
      • 1...Kd3
        • 2.Qc3#
      • 1...Kd5!
    • 1.Sd5?
      • 1...Kd3
        • 2.Qc3#
      • 1...Kxd5!
    • 1.Bb5+?
      • 1...Kb3
        • 2.Bd3#
      • 1...Kb4
        • 2.Bf1#
        • 2.Be2#
        • 2.Bd3#
        • 2.Ba6#
      • 1...Kxd4!
  • Keys
    • 1.Sb5!
      • 1...Kb3
        • 2.Sa3#
      • 1...Kd3
        • 2.Qc3#
      • 1...Kb4
        • 2.Sd6#
      • 1...Kd5
        • 2.Qa2#

This anticipates 168593(2005)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(B);
      • Vars
        • K(a);S_FLIGHT::QAR1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(B);
      • Vars
        • K(a);S_FLIGHT::QAR1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(B);
      • Vars
        • K(a);S_FLIGHT::QAR1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(B);
      • Vars
        • K(a);S_FLIGHT::QAR1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(B);
      • Vars
        • K(a);S_FLIGHT::QAR1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(B);
      • Vars
        • K(a);S_FLIGHT::QAR1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(B);
      • Vars
        • K(a);S_FLIGHT::QAR1(A)
      • Refutation
        • K(a);S_FLIGHT,XS(B)
    • Try
      • B(F);CHECK
      • Vars
        • K(a);OGATE,S_FLIGHT::R(E)+B(F)
      • Refutation
        • K(a);P-FLIGHT,XP(D)
  • Actual
    • S(B);
    • Vars
      • K(a);S_FLIGHT::R(E)+S(B)
      • K(a);S_FLIGHT::QAR1(A)
      • K(a);P-FLIGHT::R(E)+S(B)
      • K(a);S_FLIGHT::QAB(A)
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