MESON Chess Problem Database

Problem Display
PID: 51920 (2BQ1b2/4rPpR/p1P2kpP/Rp2N2P/PK5P/4B3/8/8 w - - 0 1)

Aliovsadzade, Rauf Gadzhiaga ogli

Comm., Scacchi e Scienze Applicate, 2001-2002

2BQ1b2/4rPpR/p1P2kpP/Rp2N2P/PK5P/4B3/8/8

#2

13 + 7

145 StrateGems 2004
15148 Sadier Collection 2014

SOLUTION

  • SOUND
  • Sets
    • 1...Kxe5
      • 2.Qd4#
    • 1...bxa4
      • 2.Bg5#
    • 1...gxh6
      • 2.Sg4#
  • Tries
    • 1.Bf4?
      • 1...bxa4
        • 2.Bg5#
      • 1...gxh6
        • 2.Sg4#
      • 1...g5
        • 2.hxg5#
      • 1...gxh5!
    • 1.hxg6?
      • 1...Kxe5
        • 2.Qd4#
      • 1...bxa4
        • 2.Bg5#
      • 1...gxh6!
  • Keys
    • 1.Sxg6!
      • 1...Kxf7
        • 2.Qxf8#
      • 1...bxa4
        • 2.Rf5#
      • 1...gxh6
        • 2.Bd4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 2
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • K(c);N_SPINR(e),OGATEB,P_SPINP(a),S_FLIGHT,XS(F)::QAB1(M)
    • P(a);XP(B)::B(A)
    • P(f);XP(I)::S(F)
  • Tries
    • Try
      • B(A);
      • Vars
        • P(a);XP(B)::B(A)
        • P(f);XP(I)::S(F)
        • P(d);OGATE::P(D),XP(d)
      • Refutation
        • P(d);XP(G)
    • Try
      • P(G);XP(d)
      • Vars
        • K(c);N_SPINR(e),OGATEB,P_SPINP(a),S_FLIGHT,XS(F)::QAB1(M)
        • P(a);XP(B)::B(A)
      • Refutation
        • P(f);XP(I)
  • Actual
    • S(F);XP(d)
    • Vars
      • K(c);N_SPINR(e),OGATEB,P-FLIGHT,P_SPINP(f),XP(J)::QAR1(M),XB(g)
      • P(a);OGATE,XP(B)::R1(E)
      • P(f);XP(I)::B(A)
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