MESON Chess Problem Database

Problem Display
PID: 233285 (1B2r3/5B2/q4pp1/Rb3k2/5NrP/2PRPP2/8/bQ3KnN w - - 0 1)

Paslack, Rainer

Freie Presse, 1995

1B2r3/5B2/q4pp1/Rb3k2/5NrP/2PRPP2/8/bQ3KnN

#2

12 + 9

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Rg3
      • 2.Sxg3#
    • 1...Rxf4
      • 2.Sg3#
    • 1...Rc8
      • 2.e4#
    • 1...Rd8
      • 2.e4#
    • 1...Rf8
      • 2.e4#
    • 1...Rg8
      • 2.e4#
    • 1...Rh8
      • 2.e4#
    • 1...Se2
      • 2.Rd5#
    • 1...g5
      • 2.Bg6#
  • Tries
    • 1.Se2?
      • threat
        • 2.Rd5#
      • 1...Rd4
        • 2.Shg3#
        • 2.Seg3#
        • 2.Sxd4#
      • 1...Rge4
        • 2.Shg3#
        • 2.Seg3#
      • 1...Re5!
    • 1.Rxb5+?
      • 1...Re5
        • 2.Rd1#
        • 2.Rd2#
        • 2.Rd4#
        • 2.Rdd5#
        • 2.Rd6#
        • 2.Rd7#
        • 2.Rd8#
      • 1...Qxb5!
    • 1.fxg4+?
      • 1...Ke4
        • 2.Bd5#
      • 1...Kxg4!
  • Keys
    • 1.Bc4!
      • threat
        • 2.Rd5#
      • 1...Rxf4
        • 2.Sg3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 8
  • Sets
    • R(c);N_GUARD::S(C),XR(c)
    • R(c);N_GUARD,P_PINP(G),XS(H)::S(C)
    • R(i);N_GUARD::P(F)
    • S(b);N_PINR(E)::QAB(A)+R(E),DCHECK
    • P(h);S_CUTR(c)::B(K)
  • Tries
    • Try
      • S(H);N_SPINR(E)
      • Threat
        • QAB(A)+R(E),DCHECK
      • Refutation
        • R(i);N_SPINB(d)
    • Try
      • R(J);CHECK,N_SPINR(E),XB(d)
      • Refutation
        • Q(f);P_PINR(E),XR(J)
    • Try
      • P(G);CHECK,XR(c)
      • Vars
        • K(e);N_SPINB(d),S_FLIGHT::B(K)
      • Refutation
        • K(e);N_SPINB(d),S_FLIGHT,XP(G)
  • Actual
    • B(K);N_SPINR(E)
    • Threat
      • QAB(A)+R(E),DCHECK
    • Vars
      • R(c);N_GUARD,P_PINP(G),XS(H)::S(C)
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