MESON Chess Problem Database

Problem Display
PID: 174744 (2N3N1/1p6/b3B2p/2pPk3/4P1RP/3p4/4RBK1/8 w - - 0 1)

Zajic, Helmut

Die Schwalbe, 1966

2N3N1/1p6/b3B2p/2pPk3/4P1RP/3p4/4RBK1/8

#2

10 + 6

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Tries
    • 1.Sf6?
      • threat
        • 2.Sd7#
      • 1...Kxf6
        • 2.e5#
      • 1...Bb5!
    • 1.Be1?
      • threat
        • 2.Bc3#
      • 1...Kd4
        • 2.e5#
      • 1...d2!
    • 1.Rf4?
      • threat
        • 2.Rf5#
      • 1...Kxf4
        • 2.Bg3#
      • 1...dxe2!
    • 1.Rg5+?
      • 1...Kf4
        • 2.Bg3#
      • 1...hxg5!
  • Keys
    • 1.Sd6!
      • threat
        • 2.Sf7#
      • 1...Kxd6
        • 2.Bg3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(J);
      • Threat
        • S(J)
      • Vars
        • K(c);OGATE,S_FLIGHT,XS(J)::P(D)
      • Refutation
        • B(d);
    • Try
      • B(B);
      • Threat
        • B(B)
      • Vars
        • K(c);OGATE,S_FLIGHT::R(E)+P(D)
      • Refutation
        • P(a);
    • Try
      • R(E);
      • Threat
        • R1(E)
      • Vars
        • K(c);OGATEB,S_FLIGHT,XR(E)::B(B)
      • Refutation
        • P(a);XR(A)
    • Try
      • R(E);CHECK
      • Vars
        • K(c);S_FLIGHT::B(B)
      • Refutation
        • P(e);XR(E)
  • Actual
    • S(I);
    • Threat
      • S(I)
    • Vars
      • K(c);S_FLIGHT,XS(I)::B(B)
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