MESON Chess Problem Database

Problem Display
PID: 159106 (5R2/4n3/3p2p1/3pk3/2PNB2r/2B5/KN6/1Q6 w - - 0 1)

Handloser, Ralf Chris

3rd HM., idee & form, 2008-2009

5R2/4n3/3p2p1/3pk3/2PNB2r/2B5/KN6/1Q6

#2

8 + 6

15527 schachkunst (1997-2010) (Hoffmann) 2016

SOLUTION

  • SOUND
  • Sets
    • 1...Rxe4
      • 2.Sd3#
    • 1...dxc4
      • 2.Sxc4#
  • Tries
    • 1.Bg2?
      • threat
        • 2.Sd3#
      • 1...Rxd4
        • 2.Qe1#
      • 1...dxc4
        • 2.Sxc4#
      • 1...Rh3!
    • 1.Bf3?
      • threat
        • 2.Sd3#
      • 1...Rxd4
        • 2.Qe1#
      • 1...dxc4
        • 2.Sxc4#
      • 1...Rh2!
    • 1.Bxd5?
      • threat
        • 2.Sd3#
        • 2.Sf3#
        • 2.Sc6#
      • 1...Rxd4
        • 2.Sd3#
        • 2.Qe4#
        • 2.Qe1#
      • 1...Sf5
        • 2.Sd3#
      • 1...Rh2
        • 2.Sc2#
        • 2.Se2#
        • 2.Sb3#
        • 2.Sf3#
        • 2.Sb5#
        • 2.Sc6#
        • 2.Se6#
        • 2.Qe4#
      • 1...Rh3
        • 2.Sf3#
        • 2.Sc6#
        • 2.Qe4#
      • 1...Sc6
        • 2.Sd3#
        • 2.Sf3#
        • 2.Sxc6#
      • 1...Sxd5!
  • Keys
    • 1.Qe1!
      • threat
        • 2.Sd3#
      • 1...dxc4
        • 2.Sxc4#
      • 1...Rh2
        • 2.Bg2#
      • 1...Rh3
        • 2.Bf3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • R(a);SBLOCK,XB(G)::S(C)
    • P(b);XP(E)::S(C),XP(b)
  • Tries
    • Try
      • B(G);
      • Threat
        • S(C)
      • Vars
        • R(a);N_GUARD,P_SPINR(a),XS(F)::QAR(A)
        • P(b);XP(E)::S(C),XP(b)
      • Refutation
        • R(a);
    • Try
      • B(G);
      • Threat
        • S(C)
      • Vars
        • R(a);N_GUARD,P_SPINR(a),XS(F)::QAR(A)
        • P(b);XP(E)::S(C),XP(b)
      • Refutation
        • R(a);P_PINS(C)
    • Try
      • B(G);XP(b)
      • Threat
        • DUALS(3)
      • Vars
        • S(f);::S(C)
      • Refutation
        • S(f);XB(G)
  • Actual
    • Q(A);
    • Threat
      • S(C)
    • Vars
      • P(b);XP(E)::S(C),XP(b)
      • R(a);N_GUARD,P_PINS(C)::QAR(A)+B(G)
      • R(a);N_GUARD::QAR(A)+B(G)
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