MESON Chess Problem Database

Problem Display
PID: 67062 (5B2/2pp3K/2p2p2/RnN2B2/2kp4/2P4R/b3N3/3Q4 w - - 0 1)

Hirschenson, Aaron

1st Prize, Gvozdjak-30 JT, 1995

5B2/2pp3K/2p2p2/RnN2B2/2kp4/2P4R/b3N3/3Q4

#2

9 + 8

5417 FIDE Album (1995-1997) 2004

SOLUTION

  • SOUND
  • Sets
    • 1...Bb1
      • 2.Qb3#
    • 1...Bb3
      • 2.Qxb3#
    • 1...Sa3
      • 2.Qxd4#
    • 1...Sxc3
      • 2.Qxd4#
    • 1...Sd6
      • 2.Qxd4#
    • 1...Sa7
      • 2.Qxd4#
    • 1...dxc3
      • 2.Ra4#
    • 1...d3
      • 2.Qxd3#
    • 1...d5
      • 2.Bd3#
      • 2.Ra4#
      • 2.Qa4#
      • 2.Qd3#
  • Tries
    • 1.Sxd7?
      • threat
        • 2.Be6#
      • 1...Kd5
        • 2.Qxd4#
      • 1...Sxc3
        • 2.Bd3#
      • 1...Bb1!
    • 1.Be4?
      • threat
        • 2.Ra4#
        • 2.Qa4#
        • 2.Qd3#
      • 1...Sxc3
        • 2.Qxd4#
      • 1...dxc3
        • 2.Ra4#
        • 2.Qa4#
      • 1...Bb1
        • 2.Ra4#
        • 2.Qb3#
        • 2.Qa4#
      • 1...Bb3
        • 2.Qxb3#
        • 2.Qd3#
      • 1...Sa3
        • 2.Qa4#
        • 2.Qd3#
        • 2.Qxd4#
      • 1...Sd6
        • 2.Qa4#
        • 2.Qd3#
        • 2.Qxd4#
      • 1...Sa7
        • 2.Qa4#
        • 2.Qd3#
        • 2.Qxd4#
      • 1...d3
        • 2.Ra4#
        • 2.Qa4#
        • 2.Qxd3#
      • 1...d6!
    • 1.Be6+?
      • 1...d5
        • 2.Ra4#
        • 2.Qa4#
        • 2.Qd3#
      • 1...dxe6!
  • Keys
    • 1.Rh5!
      • threat
        • 2.Bd3#
      • 1...Kd5
        • 2.Be6#
      • 1...Sxc3
        • 2.Qxd4#
      • 1...dxc3
        • 2.Ra4#
      • 1...Bb1
        • 2.Qb3#
      • 1...d3
        • 2.Bxd3#
        • 2.Qxd3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 5
  • Sets
    • B(a);N_GUARD,P_PINB(G)::QAB1(A)
    • B(a);N_GUARD::QAB1(A),XB(a)
    • S(d);N_GUARD::QAR1(A),XP(c)
    • S(d);N_GUARD,XP(C)::QAR1(A),XP(c)
    • P(c);XP(C)::R(E)
    • P(c);::QAB1(A),XP(c)
  • Tries
    • Try
      • S(F);XP(h)
      • Threat
        • B(G)
      • Vars
        • K(b);P_SPINP(c),P_SPINS(d),S_FLIGHT::QAR1(A),XP(c)
        • S(d);XP(C)::B(G)
      • Refutation
        • B(a);P_PINB(G)
    • Try
      • B(G);
      • Threat
        • DUALS(3)
      • Vars
        • S(d);N_GUARD,XP(C)::QAR1(A),XP(c)
      • Refutation
        • P(h);
    • Try
      • B(G);CHECK
      • Refutation
        • P(h);XB(G)
  • Actual
    • R(D);
    • Threat
      • B(G)
    • Vars
      • K(b);P_SPINP(c),S_FLIGHT::R(D)+B(G),DCHECK
      • S(d);N_GUARD,XP(C)::QAR1(A),XP(c)
      • P(c);XP(C)::R(E)
      • B(a);N_GUARD,P_PINB(G)::QAB1(A)
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