MESON Chess Problem Database

Problem Display
PID: 233508 (b1r5/2p3p1/Q5K1/4NRp1/p1N1k3/r3B3/2pP1P2/4n3 w - - 0 1)

Supp, Walter

Freie Presse, 1996

b1r5/2p3p1/Q5K1/4NRp1/p1N1k3/r3B3/2pP1P2/4n3

#2

8 + 10

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Bc6
      • 2.Qxc6#
  • Tries
    • 1.Sd7?
      • threat
        • 2.Sc5#
      • 1...Kd3
        • 2.Sd6#
      • 1...Sd3
        • 2.f3#
      • 1...c5
        • 2.Sd6#
      • 1...Rxe3!
    • 1.f3+?
      • 1...Kd5
        • 2.Sd3#
        • 2.Sg4#
        • 2.Sd7#
        • 2.Sf7#
      • 1...Sxf3!
  • Keys
    • 1.Sd3!
      • threat
        • 2.Sc5#
      • 1...Kxd3
        • 2.Sd6#
      • 1...Rxd3
        • 2.Qe6#
      • 1...Sxd3
        • 2.f3#
      • 1...c5
        • 2.Sd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 1
  • Sets
    • B(i);N_GUARD::QAB(G),XB(i)
  • Tries
    • Try
      • S(E);
      • Threat
        • S(E)
      • Vars
        • K(e);S_FLIGHT::QAB(G)+S(D)
        • S(a);N_GUARD,SBLOCK::P(B)
        • P(g);N_GUARD::S(D)
      • Refutation
        • R(c);XB(C)
    • Try
      • P(B);CHECK
      • Refutation
        • S(a);XP(B)
  • Actual
    • S(E);
    • Threat
      • S(E)
    • Vars
      • K(e);S_FLIGHT,XS(E)::QAB(G)+S(D)
      • R(c);SBLOCK,XS(E)::QAR2(G)
      • S(a);N_GUARD,SBLOCK,XS(E)::P(B)
      • P(g);N_GUARD::S(D)
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