MESON Chess Problem Database

Problem Display
PID: 178017 (8/4N3/8/2r1p3/4k3/4P1K1/3Q4/8 w - - 0 1)

Notaro, Rosario

Probleemblad, 1979

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

#2

4 + 3

SOLUTION

  • SOUND
  • Tries
    • 1.Qc2+?
      • 1...Kxe3
        • 2.Sf5#
      • 1...Rxc2!
  • Keys
    • 1.Kf2!
      • 1...Rc1
        • 2.Qd5#
      • 1...Rc2
        • 2.Qxc2#
      • 1...Rc3
        • 2.Qd5#
      • 1...Rc4
        • 2.Qd5#
      • 1...Ra5
        • 2.Qc2#
      • 1...Rb5
        • 2.Qc2#
      • 1...Rd5
        • 2.Qxd5#
      • 1...Rc6
        • 2.Qd5#
      • 1...Rc7
        • 2.Qd5#
      • 1...Rc8
        • 2.Qd5#

This is a version of 39337

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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