MESON Chess Problem Database

Problem Display
PID: 240342 (1r3R2/2n2N2/2r5/3ppB2/Q3pkPP/2p1R2K/5P2/8 w - - 0 1)

Paslack, Rainer

Problem-Forum, 2006

1r3R2/2n2N2/2r5/3ppB2/Q3pkPP/2p1R2K/5P2/8

#2

9 + 8

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Bxe4?
      • threat
        • 2.Rf3#
      • 1...dxe4
        • 2.Qxe4#
      • 1...Rc4
        • 2.Sd8#
      • 1...Rb4
        • 2.Sd6#
      • 1...d4!
    • 1.Rxe4+?
      • 1...dxe4
        • 2.Qxe4#
      • 1...Kf3!
  • Keys
    • 1.Sg5!
      • threat
        • 2.Rf3#
      • 1...Rc4
        • 2.Bc8#
      • 1...Rb4
        • 2.Be6#
      • 1...d4
        • 2.Rxe4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(G);XP(b)
      • Threat
        • R1(B)
      • Vars
        • P(d);OGATE,P_SPINP(d),XB(G)::QAR1(D),XP(d)
        • R(f);N_GUARD::R(I)+S(H)
        • R(h);N_GUARD::R(I)+S(H)
      • Refutation
        • P(d);
    • Try
      • R(B);CHECK,XP(b)
      • Vars
        • P(d);OGATE,P_SPINP(d),XR(B)::QAR1(D),XP(d)
      • Refutation
        • K(c);P-FLIGHT
  • Actual
    • S(H);
    • Threat
      • R1(B)
    • Vars
      • R(f);N_GUARD,N_SPINP(b)::R(I)+B(G)
      • R(h);N_GUARD,N_SPINP(b)::R(I)+B(G)
      • P(d);N_GUARD,N_SPINP(b)::R1(B),XP(b)
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