MESON Chess Problem Database

Problem Display
PID: 215669 (4K3/1n3B2/2ppN2R/3k3P/2p3P1/P4P2/1bppN2B/Q1q5 w - - 0 1)

Supp, Walter

Badische Neueste Nachrichten, 1996

4K3/1n3B2/2ppN2R/3k3P/2p3P1/P4P2/1bppN2B/Q1q5

#2

11 + 9

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Bxa3
      • 2.Sc3#
      • 2.S2f4#
      • 2.Qd4#
    • 1...Bc3
      • 2.Sxc3#
    • 1...Bd4
      • 2.Qxd4#
    • 1...Bf6
      • 2.S2f4#
    • 1...Bg7
      • 2.S2f4#
    • 1...Bh8
      • 2.S2f4#
    • 1...Sc5
      • 2.Sc7#
    • 1...c3
      • 2.Qa2#
    • 1...c5
      • 2.S6d4#
      • 2.Sd8#
  • Tries
    • 1.S6f4+?
      • 1...Ke5
        • 2.Sg2#
        • 2.Sd3#
        • 2.Sh3#
        • 2.Sd5#
        • 2.Re6#
      • 1...Kc5!
    • 1.Qxb2?
      • threat
        • 2.Sc3#
        • 2.S2f4#
        • 2.Qd4#
      • 1...c3
        • 2.Qa2#
        • 2.Qb3#
      • 1...c5
        • 2.S6d4#
        • 2.Sd8#
        • 2.Qxb7#
      • 1...d1Q
        • 2.Sc3#
      • 1...d1S
        • 2.Qd4#
      • 1...d1B
        • 2.Sc3#
        • 2.Qd4#
      • 1...d1R
        • 2.Sc3#
      • 1...Qa1
        • 2.Sc3#
        • 2.S2f4#
      • 1...Qg1
        • 2.Sc3#
        • 2.S2f4#
      • 1...Qxb2!
  • Keys
    • 1.Bg6!
      • threat
        • 2.Be4#
      • 1...Kxe6
        • 2.Bf7#
      • 1...c3
        • 2.Qa2#
      • 1...Bf6
        • 2.S2f4#
      • 1...Sc5
        • 2.Sc7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 4
  • Sets
    • B(b);N_GUARD::S(B),XB(b)
    • B(b);OGATE::QAR1(A),XB(b)
    • B(b);::S(B)
    • S(i);SBLOCK::B(J)+S(H),DCHECK
    • P(e);OGATEB::QAB(A)
  • Tries
    • Try
      • S(H);CHECK
      • Refutation
        • K(f);P-FLIGHT
    • Try
      • Q(A);XB(b)
      • Threat
        • DUALS(3)
      • Vars
        • P(d);::S(B)
        • P(d);::QAR1(A)
      • Refutation
        • Q(a);XQ(A)
  • Actual
    • B(J);
    • Threat
      • B(J)
    • Vars
      • K(f);OGATEB,S_FLIGHT,XS(H)::R(I)+B(J),DCHECK
      • P(e);OGATEB::QAB(A)
      • B(b);::S(B)
      • S(i);SBLOCK::S(H)
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