MESON Chess Problem Database

Problem Display
PID: 239579 (5R2/Q7/8/3n1BP1/4pbp1/R2Nrk2/3P4/4BK2 w - - 0 1)

Maleika, Gerhard

Die Schwalbe, 2002

5R2/Q7/8/3n1BP1/4pbp1/R2Nrk2/3P4/4BK2

#2

9 + 6

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Rxe1+
      • 2.Sxe1#
    • 1...Re2
      • 2.Se5#
    • 1...Rxd3
      • 2.Qf2#
  • Tries
    • 1.Bxe4+?
      • 1...Rxe4
        • 2.Se5#
        • 2.Qf2#
      • 1...Kxe4!
  • Keys
    • 1.Qh7!
      • threat
        • 2.Qh1#
      • 1...Rxe1+
        • 2.Sxe1#
      • 1...Re2
        • 2.Se5#
      • 1...Bh2
        • 2.Bxe4#
      • 1...g3
        • 2.Qh5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • R(a);CHECK,XB(A)::R(D)+S(E),DCHECK,XR(a)
    • R(a);::R(D)+S(E),DCHECK
    • R(a);OGATE,P_SPINR(a),XS(E)::QAR1(H)
  • Tries
    • Try
      • B(F);CHECK,P_PINB(d),XP(c)
      • Refutation
        • K(b);N_SPINB(d),S_FLIGHT,XB(F)
  • Actual
    • Q(H);
    • Threat
      • QAB(H)
    • Vars
      • R(a);CHECK,XB(A)::R(D)+S(E),DCHECK,XR(a)
      • R(a);::R(D)+S(E),DCHECK
      • B(d);::R(I)+B(F),DCHECK,XP(c)
      • P(e);OGATEB::QAB(H)
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