MESON Chess Problem Database

Problem Display
PID: 177508 (8/2Q5/3Pp3/1N1P1RBK/2pNk3/3p1p2/5p2/8 w - - 0 1)

Sardella, Giuseppe

Best Problems, 2018

8/2Q5/3Pp3/1N1P1RBK/2pNk3/3p1p2/5p2/8

#2

8 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...exd5
      • 2.Qe7#
  • Tries
    • 1.Sc6?
      • threat
        • 2.Re5#
      • 1...Kxf5
        • 2.Qh7#
      • 1...exf5
        • 2.Sc3#
      • 1...e5
        • 2.Rxe5#
      • 1...d2!
    • 1.Qe7?
      • threat
        • 2.Qxe6#
      • 1...e5
        • 2.Rxe5#
        • 2.Qxe5#
      • 1...d2!
    • 1.Qg7?
      • threat
        • 2.Sc3#
        • 2.Re5#
        • 2.Qe5#
      • 1...exf5
        • 2.Sc3#
      • 1...e5
        • 2.Rxe5#
        • 2.Qxe5#
      • 1...c3
        • 2.Sxc3#
        • 2.Re5#
        • 2.Qe5#
      • 1...d2!
  • Keys
    • 1.Qxc4!
      • threat
        • 2.Sc3#
      • 1...exf5
        • 2.Sc6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • P(f);OGATEB,XP(C)::QAR(H)
  • Tries
    • Try
      • S(A);
      • Threat
        • R1(D)
      • Vars
        • K(e);OGATEB,S_FLIGHT,XR(D)::QAB(H)
        • P(f);SBLOCK,XR(D)::S(B)
        • P(f);::R1(D),XP(f)
      • Refutation
        • P(b);
    • Try
      • Q(H);P_PINP(f)
      • Threat
        • QAR2(H),XP(f)
      • Refutation
        • P(b);
    • Try
      • Q(H);
      • Threat
        • DUALS(3)
      • Vars
        • P(f);XR(D)::S(B)
      • Refutation
        • P(b);
  • Actual
    • Q(H);XP(d)
    • Threat
      • S(B)
    • Vars
      • P(f);SBLOCK,XR(D)::QAR(H)+S(A)
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