MESON Chess Problem Database

Problem Display
PID: 51721 (b6n/1Br1p2K/4Q1p1/6kp/4P3/B3rpPn/2pNP2P/8 w - - 0 1)

Bonivento, Oscar

L'Italia Scacchistica, 2003

b6n/1Br1p2K/4Q1p1/6kp/4P3/B3rpPn/2pNP2P/8

#2

9 + 11

SOLUTION

  • SOUND
  • Sets
    • 1...Rxe2
      • 2.Sxf3#
    • 1...Rxe4
      • 2.Sxf3#
      • 2.Sxe4#
    • 1...Rc3
      • 2.Bxe7#
    • 1...Rc4
      • 2.Bxe7#
    • 1...Rc6
      • 2.Bxe7#
    • 1...Rc8
      • 2.Bxe7#
    • 1...Sg1
      • 2.h4#
    • 1...Sf2
      • 2.h4#
    • 1...Sf4
      • 2.h4#
    • 1...Sf7
      • 2.Qxg6#
  • Tries
    • 1.Bc1?
      • threat
        • 2.Sxf3#
      • 1...fxe2
        • 2.Sf3#
      • 1...Sg1
        • 2.h4#
      • 1...Sf4
        • 2.h4#
      • 1...f2
        • 2.Sf3#
      • 1...h4!
  • Keys
    • 1.exf3!
      • threat
        • 2.Qe5#
      • 1...Rxf3
        • 2.Sxf3#
      • 1...Rxe4
        • 2.Sxe4#
      • 1...Rc5
        • 2.Qxe7#
      • 1...Sf7
        • 2.Qxg6#

This is a version

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 8
  • Sets
    • R(b);N_GUARD,XP(B)::S(A),XP(c)
    • R(h);N_GUARD::B(D),XP(i)
    • S(d);OGATE::P(C)
    • S(k);N_GUARD::QAR1(G),XP(g)
  • Tries
    • Try
      • B(D);
      • Threat
        • S(A),XP(c)
      • Vars
        • P(c);XP(B)::S(A)
        • S(d);OGATE::P(C)
        • P(c);::S(A)
      • Refutation
        • P(f);
  • Actual
    • P(B);XP(c)
    • Threat
      • QAR2(G)
    • Vars
      • R(b);XP(B)::S(A),XR(b)
      • R(b);XP(F)::S(A),XR(b)
      • R(h);N_GUARD::QAB(G),XP(i)
      • S(k);N_GUARD::QAR1(G),XP(g)
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