MESON Chess Problem Database

Problem Display
PID: 260702 (1b2N3/8/2p5/3k4/4R1K1/3p4/3P4/7Q w - - 0 1)

de Barbieri, Vittorio

Revista Romana de Sah, 1939

1b2N3/8/2p5/3k4/4R1K1/3p4/3P4/7Q

#2

5 + 4

15601 Albrecht-Leiss-Degener Collection 2022

SOLUTION

  • SOUND
  • Tries
    • 1.Qh5+?
      • 1...Be5
        • 2.Qxe5#
      • 1...Kxe4!
  • Keys
    • 1.Qa1!
      • threat
        • 2.Qd4#
      • 1...Kxe4
        • 2.Sf6#
      • 1...Kc5
        • 2.Qa5#
      • 1...Be5
        • 2.Qxe5#
      • 1...Ba7
        • 2.Qe5#
      • 1...c5
        • 2.Qa8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(A);CHECK
      • Vars
        • B(d);N_GUARD,P_SPINB(d)::QAR1(A),XB(d)
      • Refutation
        • K(b);S_FLIGHT,XR(C)
  • Actual
    • Q(A);
    • Threat
      • QAR1(A)
    • Vars
      • K(b);N_GUARD,S_FLIGHT,XR(C)::S(E)
      • K(b);N_GUARD,P-FLIGHT,S_CUTP(c)::QAR2(A)
      • B(d);N_GUARD::QAR1(A),XB(d)
      • B(d);N_GUARD::QAR1(A)
      • P(c);OGATEB,SBLOCK::QAB(A)
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