MESON Chess Problem Database

Problem Display
PID: 18806 (8/8/5Q2/1p1r4/3Bk2N/1K6/8/8 w - - 0 1)

di Vincenzi, Renato

Unpublished, 1958

8/8/5Q2/1p1r4/3Bk2N/1K6/8/8

#2

4 + 3

SOLUTION

  • SOUND
  • Tries
    • 1.Qe5+?
      • 1...Kd3
        • 2.Qe3#
      • 1...Rxe5!
    • 1.Qf4+?
      • 1...Kd3
        • 2.Qe3#
      • 1...Kxf4!
  • Keys
    • 1.Bc3!
      • threat
        • 2.Qf3#
      • 1...Kd3
        • 2.Qf3#
      • 1...Ke3
        • 2.Qf3#
      • 1...Rd4
        • 2.Qxd4#
      • 1...Rf5
        • 2.Qd4#
      • 1...Rd3
        • 2.Qe5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(D);CHECK
      • Vars
        • K(a);OGATE,S_FLIGHT::QAR1(D)
      • Refutation
        • R(c);XQ(D)
    • Try
      • Q(D);CHECK
      • Vars
        • K(a);S_FLIGHT::QAR1(D)
      • Refutation
        • K(a);P-FLIGHT,XQ(D)
  • Actual
    • B(B);
    • Threat
      • QAB1(D)
    • Vars
      • K(a);S_FLIGHT::QAR2(D)
      • K(a);P-FLIGHT::QAR1(D)
      • R(c);N_GUARD::QAR1(D),XR(c)
      • R(c);N_GUARD::QAR1(D)
      • R(c);N_GUARD,P_PINB(B),SBLOCK::QAR1(D)
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