MESON Chess Problem Database

Problem Display
PID: 22228 (8/8/2N1n3/3k4/4N3/1R3Q2/8/3K4 w - - 0 1)

Kamenik, Arnost

Mainzer Allgemeine Zeitung, 1993

8/8/2N1n3/3k4/4N3/1R3Q2/8/3K4

#2

5 + 2

6113 Problemschach-Jahrbuch (1993) 1994
2786 More Fun with Chess Miniatures 2000

SOLUTION

  • SOUND
  • Sets
    • 1...Kc4
      • 2.Qd3#
  • Tries
    • 1.Sc3+?
      • 1...Kc4
        • 2.Qd5#
      • 1...Kc5
        • 2.Qd5#
      • 1...Kd6!
    • 1.Sf6+?
      • 1...Kc4
        • 2.Qd5#
        • 2.Qc3#
      • 1...Kc5
        • 2.Qd5#
      • 1...Kd6!
    • 1.Qd3+?
      • 1...Kxc6
        • 2.Qd6#
      • 1...Sd4!
    • 1.Qf5+?
      • 1...Kc4
        • 2.Sd2#
        • 2.Rc3#
        • 2.Qxe6#
        • 2.Qb5#
      • 1...Kxc6!
  • Keys
    • 1.Qf7!
      • 1...Kc4
        • 2.Qxe6#
      • 1...Kxe4
        • 2.Qf3#
      • 1...Kxc6
        • 2.Qb7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(a);S_FLIGHT::QAB1(C)
  • Tries
    • Try
      • S(D);CHECK
      • Vars
        • K(a);S_FLIGHT::QAB1(C)
        • K(a);P-FLIGHT::QAR1(C)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • S(D);CHECK
      • Vars
        • K(a);P-FLIGHT::QAR1(C)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(C);CHECK
      • Vars
        • K(a);OGATE,S_FLIGHT,XS(E)::QAR1(C)
      • Refutation
        • S(b);P_SPINS(b)
    • Try
      • Q(C);CHECK
      • Refutation
        • K(a);S_FLIGHT,XS(E)
  • Actual
    • Q(C);P_PINS(b)
    • Vars
      • K(a);S_FLIGHT::QAB(C),XS(b)
      • K(a);N_SPINS(b),OGATEB,S_FLIGHT,XS(D)::QAB1(C)
      • K(a);N_SPINS(b),OGATEB,S_FLIGHT,XS(E)::QAB1(C)
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