MESON Chess Problem Database

Problem Display
PID: 233453 (1B6/K1P1pp2/3knr1R/1B1np2R/2P2p2/5N2/8/2Q5 w - - 0 1)

Maleika, Gerhard

Freie Presse, 1995

1B6/K1P1pp2/3knr1R/1B1np2R/2P2p2/5N2/8/2Q5

#2

9 + 8

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Rf5
      • 2.c5#
    • 1...e4
      • 2.Rxd5#
  • Tries
    • 1.c8Q+?
      • 1...Sec7
        • 2.c5#
      • 1...Sdc7!
  • Keys
    • 1.Rxe5!
      • threat
        • 2.Rxd5#
      • 1...Kc5
        • 2.Qa3#
      • 1...Sdxc7
        • 2.Rd5#
      • 1...Sexc7
        • 2.c5#
      • 1...Rf5
        • 2.c5#
      • 1...Sc3
        • 2.c8S#
      • 1...Se3
        • 2.c8S#
      • 1...Sb4
        • 2.c8S#
      • 1...Sb6
        • 2.c8S#
      • 1...Sd4
        • 2.c5#
      • 1...Sc5
        • 2.c8S#
      • 1...Sg5
        • 2.c5#
      • 1...Sg7
        • 2.c5#
      • 1...Sd8
        • 2.c5#
      • 1...Sf8
        • 2.c5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 13
    • REMOVED MATES = 1
  • Sets
    • R(f);P_SPINS(e)::P(C)
    • P(c);OGATE::R1(E),XS(b)
  • Tries
    • Try
      • P(H);CHECK
      • Vars
        • S(e);P_SPINR(f),P_SPINS(e)::P(C)
      • Refutation
        • S(b);P_SPINS(b)
  • Actual
    • R(E);XP(c)
    • Threat
      • R1(E),XS(b)
    • Vars
      • K(d);P_SPINS(b),S_FLIGHT::QAB(A)
      • S(b);P_SPINS(b),XP(H)::R1(E)
      • S(e);N_GUARD,P_SPINR(f),P_SPINS(e),XP(H)::P(C)
      • R(f);P_SPINS(e)::P(C)
      • S(b);N_GUARD::P=S
      • S(e);N_GUARD,P_SPINR(f)::P(C)
      • S(e);N_GUARD,P_SPINR(f),SBLOCK::P=S
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