MESON Chess Problem Database

Problem Display
PID: 172025 (2q5/2RN3p/3NR3/8/3b4/1PPkP2K/Pp4Qp/1r5B w - - 0 1)

Apro, Laszlo

Sinfonie Scacchistiche, 1969

2q5/2RN3p/3NR3/8/3b4/1PPkP2K/Pp4Qp/1r5B

#2

11 + 7

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Bxc3
      • 2.Sc5#
    • 1...Bxe3
      • 2.Se5#
  • Tries
    • 1.Se4?
      • threat
        • 2.Qd2#
      • 1...Kxe3
        • 2.Qf3#
        • 2.Qd2#
      • 1...Bxc3
        • 2.Sec5#
      • 1...Bxe3
        • 2.Se5#
      • 1...Rd1!
  • Keys
    • 1.Sc4!
      • threat
        • 2.Qd2#
      • 1...Kxc3
        • 2.Qd2#
      • 1...Bxc3
        • 2.Sc5#
      • 1...Bxe3
        • 2.Sce5#
        • 2.Rxe3#
      • 1...Rd1
        • 2.Sxb2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • B(e);N_GUARD,SBLOCK,XP(E)::S(K)
    • B(e);N_GUARD,SBLOCK,XP(F)::S(K)
  • Tries
    • Try
      • S(H);
      • Threat
        • QAR1(C)
      • Vars
        • B(e);N_GUARD,SBLOCK,XP(E)::S(H)
        • B(e);N_GUARD,SBLOCK,XP(F)::S(K)
      • Refutation
        • R(a);
  • Actual
    • S(H);
    • Threat
      • QAR1(C)
    • Vars
      • K(d);P-FLIGHT,XP(E)::QAB1(C)
      • B(e);N_GUARD,SBLOCK,XP(E)::S(K)
      • R(a);N_GUARD::S(H),XP(b)
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