MESON Chess Problem Database

Problem Display
PID: 178992 (6N1/1K2p3/3k4/5Q2/8/2P5/8/8 w - - 0 1)

Rasmussen, Hans

Magasinet, 1952

6N1/1K2p3/3k4/5Q2/8/2P5/8/8

#2

4 + 2

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Tries
    • 1.Qe6+?
      • 1...Kc5
        • 2.Qc6#
      • 1...Kxe6!
    • 1.Qe5+?
      • 1...Kd7
        • 2.Qxe7#
      • 1...Kxe5!
  • Keys
    • 1.Qe4!
      • 1...Kc5
        • 2.Qc6#
      • 1...Kd7
        • 2.Qxe7#
      • 1...e5
        • 2.Qc6#
      • 1...e6
        • 2.Qd4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(B);CHECK
      • Vars
        • K(a);OGATE,S_FLIGHT::QAR1(B)
      • Refutation
        • K(a);P-FLIGHT,XQ(B)
    • Try
      • Q(B);CHECK
      • Vars
        • K(a);P-FLIGHT::QAR1(B),XP(b)
      • Refutation
        • K(a);S_FLIGHT,XQ(B)
  • Actual
    • Q(B);
    • Vars
      • K(a);S_FLIGHT::QAR1(B)
      • K(a);P-FLIGHT::QAR1(B),XP(b)
      • P(b);SBLOCK::QAR1(B)
      • P(b);SBLOCK::QAR2(B)
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