MESON Chess Problem Database

Problem Display
PID: 48252 (2nnQ3/q7/3pP3/BPpk1N2/3pR1R1/bp1N4/5K2/5B2 w - - 0 1)

Bruch, Wieland

1st Prize, Neue Zurcher Zeitung, 2000-2001

2nnQ3/q7/3pP3/BPpk1N2/3pR1R1/bp1N4/5K2/5B2

#2

10 + 9

23 Die Schwalbe 2003
56 The Problemist 2003
15174 FIDE Album (2001-2003) 2011
56 The Problemist 2012

SOLUTION

  • SOUND
  • Sets
    • 1...Kc4
      • 2.Sf4#
      • 2.Se3#
    • 1...Sxe6
      • 2.Qxe6#
  • Tries
    • 1.Re1?
      • threat
        • 2.Sf4#
      • 1...Kc4
        • 2.Se3#
      • 1...Sxe6
        • 2.Qxe6#
      • 1...c4
        • 2.Bg2#
      • 1...Bc1!
    • 1.Re5+?
      • 1...Kc4
        • 2.Sc1#
        • 2.Se1#
        • 2.Sb2#
        • 2.Sxc5#
        • 2.Se3#
      • 1...dxe5!
    • 1.Qh5?
      • threat
        • 2.Se3#
      • 1...Kc4
        • 2.Sf4#
      • 1...Qf7!
    • 1.Qc6+?
      • 1...Kc4
        • 2.Sc1#
        • 2.Se1#
        • 2.Sb2#
        • 2.Sf4#
        • 2.Sxc5#
        • 2.Se5#
        • 2.Se3#
        • 2.Rxd4#
      • 1...Sxc6!
  • Keys
    • 1.Re3!
      • threat
        • 2.Sf4#
      • 1...dxe3+
        • 2.Sxe3#
      • 1...Kc4
        • 2.Sb4#
      • 1...Sxe6
        • 2.Qxe6#
      • 1...c4
        • 2.Bg2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • S(i);OGATE,XP(I)::QAB1(J),XS(i)
  • Tries
    • Try
      • R(D);
      • Threat
        • S(C)
      • Vars
        • K(e);P_SPINP(c),S_FLIGHT::S(H)
        • S(i);OGATE,XP(I)::QAB1(J),XS(i)
        • P(d);SBLOCK::B(A)
      • Refutation
        • B(a);
    • Try
      • R(D);CHECK
      • Refutation
        • P(f);XR(D)
    • Try
      • Q(J);
      • Threat
        • QAR(J)+S(H),DCHECK
      • Vars
        • K(e);P_SPINP(c),S_FLIGHT::B(A)+S(C)
      • Refutation
        • Q(g);P_PINS(H)
    • Try
      • Q(J);CHECK
      • Refutation
        • S(i);XQ(J)
  • Actual
    • R(D);
    • Threat
      • S(C)
    • Vars
      • P(c);CHECK,XR(D)::S(H),XP(c)
      • K(e);P_SPINP(c),S_FLIGHT::B(A)+S(C)
      • S(i);OGATE,XP(I)::QAB1(J),XS(i)
      • P(d);SBLOCK::B(A)
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