MESON Chess Problem Database

Problem Display
PID: 28883 (rbB4K/p7/P2N4/2R5/5p1B/1PQ1pk1p/prR4P/qbN5 w - - 0 1)

Stocchi, Ottavio

2nd Place, Uj. Magyarsag, 1936

rbB4K/p7/P2N4/2R5/5p1B/1PQ1pk1p/prR4P/qbN5

#2

11 + 11

3100 Selected Stocchi (I) 2001

SOLUTION

  • SOUND
  • Sets
    • 1...Rxb3
      • 2.Rf2#
  • Tries
    • 1.Rg5?
      • threat
        • 2.Bg4#
        • 2.Bb7#
        • 2.Qc6#
      • 1...Rxc2
        • 2.Bb7#
      • 1...Rxb3
        • 2.Bg4#
        • 2.Rf2#
      • 1...Bxd6
        • 2.Qc6#
      • 1...Bc7
        • 2.Qc6#
      • 1...Bxc2!
  • Keys
    • 1.Qg7!
      • threat
        • 2.Bg4#
        • 2.Bb7#
        • 2.Qg4#
        • 2.Qb7#
      • 1...Rxc2
        • 2.Bb7#
      • 1...Rxb3
        • 2.Bg4#
      • 1...Bxc2
        • 2.Qg4#
      • 1...Bxd6
        • 2.Qb7#
      • 1...e2
        • 2.R5c3#
      • 1...Bc7
        • 2.Qg4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • R(d);N_GUARD,P_PINQ(E),XP(D)::R1(B)
  • Tries
    • Try
      • R(G);
      • Threat
        • DUALS(3)
      • Vars
        • R(d);P_PINQ(E),XR(B)::B(J)
        • B(k);P_PINB(J),XS(I)::QAB(E)
        • B(k);P_PINB(J)::QAB(E)
      • Refutation
        • B(b);XR(B)
  • Actual
    • Q(E);N_PINP(e)
    • Threat
      • DUALS(4)
    • Vars
      • R(d);P_PINQ(E),XR(B)::B(J)
      • R(d);P_PINQ(E),XP(D)::B(J)
      • B(b);XR(B)::QAB1(E)
      • B(k);P_PINB(J),XS(I)::QAB(E)
      • P(e);OGATEB::R(G)
      • B(k);P_PINB(J)::QAB1(E)
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