MESON Chess Problem Database

Problem Display
PID: 39337 (4N3/8/2r1p3/4k3/4P1K1/3Q4/8/8 w - - 0 1)

Notaro, Rosario

Probleemblad, 1978

4N3/8/2r1p3/4k3/4P1K1/3Q4/8/8

#2

4 + 3

14744 Nuova Antologia dei Problemisti Italiani 1992
2786 More Fun with Chess Miniatures 2000

SOLUTION

  • SOUND
  • Tries
    • 1.Qc3+?
      • 1...Kxe4
        • 2.Sf6#
      • 1...Rxc3!
  • Keys
    • 1.Kf3!
      • 1...Rc1
        • 2.Qd6#
      • 1...Rc2
        • 2.Qd6#
      • 1...Rc3
        • 2.Qxc3#
      • 1...Rc4
        • 2.Qd6#
      • 1...Rc5
        • 2.Qd6#
      • 1...Ra6
        • 2.Qc3#
      • 1...Rb6
        • 2.Qc3#
      • 1...Rd6
        • 2.Qxd6#
      • 1...Rc7
        • 2.Qd6#
      • 1...Rc8
        • 2.Qd6#

There are these versions: 178017

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 10
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(A);CHECK
      • Vars
        • K(a);P-FLIGHT,XP(B)::S(D)
      • Refutation
        • R(b);XQ(A)
  • Actual
    • K(C);S_FLIGHT
    • Vars
      • R(b);N_GUARD::QAB1(A)
      • R(b);N_GUARD,P_PINQ(A)::QAB(A),XR(b)
      • R(b);N_GUARD::QAB(A)
      • R(b);N_GUARD::QAB1(A),XR(b)
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