MESON Chess Problem Database

Problem Display
PID: 219957 (8/3Q4/RrPNP2K/3k4/1P1p2p1/6Bp/2r5/2RB4 w - - 0 1)

Supp, Walter

Badische Neueste Nachrichten, 1998

8/3Q4/RrPNP2K/3k4/1P1p2p1/6Bp/2r5/2RB4

#2

10 + 6

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Ra2
      • 2.Bb3#
      • 2.Rc5#
    • 1...Rb2
      • 2.Rc5#
    • 1...Rd2
      • 2.Bb3#
      • 2.Rc5#
    • 1...Re2
      • 2.Bb3#
      • 2.Rc5#
    • 1...Rf2
      • 2.Bb3#
      • 2.Rc5#
    • 1...Rg2
      • 2.Bb3#
      • 2.Rc5#
    • 1...Rh2
      • 2.Bb3#
      • 2.Rc5#
    • 1...Rc5
      • 2.Rxc5#
  • Tries
    • 1.Bxc2?
      • threat
        • 2.Bb3#
        • 2.Be4#
      • 1...Rxb4
        • 2.Be4#
      • 1...Rxc6
        • 2.Be4#
      • 1...d3!
    • 1.Ra5+?
      • 1...Rc5
        • 2.Bb3#
        • 2.Rcxc5#
        • 2.Raxc5#
      • 1...Rb5!
  • Keys
    • 1.Qh7!
      • threat
        • 2.Qe4#
      • 1...Kxc6
        • 2.Qb7#
      • 1...Kxe6
        • 2.Qf7#
      • 1...Rxb4
        • 2.Qf5#
      • 1...Re2
        • 2.Bb3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 2
  • Sets
    • R(a);OGATE::R1(A)
    • R(a);OGATE::R1(A),XR(a)
  • Tries
    • Try
      • B(B);XR(a)
      • Threat
        • DUALS(2)
      • Vars
        • R(f);XP(D)::B(B)
        • R(f);XP(F)::B(B)
      • Refutation
        • P(c);
    • Try
      • R(E);CHECK
      • Refutation
        • R(f);P_SPINR(f)
  • Actual
    • Q(J);
    • Threat
      • QAB1(J)
    • Vars
      • K(e);OGATEB,P_SPINR(a),S_FLIGHT,XP(F)::QAB1(J)
      • K(e);OGATEB,S_FLIGHT,XP(H)::QAB1(J)
      • R(f);XP(D)::QAR2(J)
      • R(a);OGATE::B(B)
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