MESON Chess Problem Database

Problem Display
PID: 260854 (Q7/2n5/5p2/2Prk1p1/1P3NB1/qn6/1p2K2B/4R2r w - - 0 1)

de Barbieri, Vittorio

Nuova Rivista degli Scacchi, 1902

Q7/2n5/5p2/2Prk1p1/1P3NB1/qn6/1p2K2B/4R2r

#2

8 + 9

15601 Albrecht-Leiss-Degener Collection 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Rd4
      • 2.Sd3#
      • 2.Sg6#
    • 1...Sb5
      • 2.Qxd5#
    • 1...Sa6
      • 2.Qxd5#
    • 1...Se6
      • 2.Qxd5#
    • 1...Se8
      • 2.Qxd5#
  • Tries
    • 1.Kf3+?
      • 1...Rxe1
        • 2.Se2#
        • 2.Se6#
      • 1...Kd4!
  • Keys
    • 1.Ke3!
      • threat
        • 2.Sd3#
        • 2.Sg6#
      • 1...Rxe1+
        • 2.Se2#
      • 1...Rd3+
        • 2.Sxd3#
      • 1...Sa1+
        • 2.Sd3#
      • 1...Sc1+
        • 2.Sd3#
      • 1...Sd2+
        • 2.Sd3#
      • 1...Sd4+
        • 2.Sd3#
      • 1...Sa5+
        • 2.Sd3#
      • 1...Sxc5+
        • 2.Sd3#
      • 1...gxf4+
        • 2.Bxf4#
      • 1...Rxh2
        • 2.Sg6#
      • 1...f5
        • 2.Qh8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 11
    • REMOVED MATES = 4
  • Sets
    • S(i);N_GUARD::QAR1(H),XR(e)
  • Tries
    • Try
      • K(B);CHECK,S_FLIGHT
      • Refutation
        • K(f);S_FLIGHT
  • Actual
    • K(B);P-FLIGHT
    • Threat
      • DUALS(2)
    • Vars
      • R(a);CHECK,N_GUARD,XR(A)::B(C)+S(E)
      • R(e);CHECK::B(C)+S(E),DCHECK,XR(e)
      • S(d);CHECK::B(C)+S(E),DCHECK
      • S(d);CHECK,XP(G)::B(C)+S(E),DCHECK
      • P(g);CHECK,OGATE,P_SPINP(g),XS(E)::B(C),XP(g)
      • R(a);XB(C)::S(E)
      • P(h);OGATEB::QAB(H)
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