MESON Chess Problem Database

Problem Display
PID: 210150 (5r1n/r4n1R/2P2k2/3PR2b/1Q1K3b/1P2N1p1/1BBP4/8 w - - 0 1)

Baxter, FL

Suomen Shakki, 1958

5r1n/r4n1R/2P2k2/3PR2b/1Q1K3b/1P2N1p1/1BBP4/8

#2

11 + 8

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Ra1
      • 2.Qe7#
    • 1...Ra2
      • 2.Qe7#
    • 1...Ra3
      • 2.Qe7#
    • 1...Ra5
      • 2.Qe7#
    • 1...Ra6
      • 2.Qe7#
    • 1...Re7
      • 2.Qxe7#
    • 1...Raa8
      • 2.Qe7#
    • 1...Bg5
      • 2.Re6#
    • 1...Bg4
      • 2.Sxg4#
    • 1...Bg6
      • 2.Sg4#
    • 1...Sd6
      • 2.Qxd6#
    • 1...Sh6
      • 2.Qd6#
    • 1...Sg6
      • 2.Rf5#
  • Tries
    • 1.Rexh5?
      • threat
        • 2.Sg4#
      • 1...Se5
        • 2.Qd6#
      • 1...Sh6
        • 2.Kc4#
        • 2.Kc5#
        • 2.Qd6#
      • 1...Rg8!
  • Keys
    • 1.Kc3!
      • threat
        • 2.Qf4#
      • 1...Kxe5
        • 2.Kd3#
      • 1...Ra4
        • 2.Qe7#
      • 1...Bg5
        • 2.Re6#
      • 1...Bg4
        • 2.Sxg4#
      • 1...Bg6
        • 2.Sg4#
      • 1...Sd6
        • 2.Qxd6#
      • 1...Sh6
        • 2.Qd6#
      • 1...Sg6
        • 2.Rf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 7
  • Sets
    • R(e);N_GUARD::QAB1(F)
    • R(e);N_GUARD::QAB1(F),XR(e)
    • B(b);SBLOCK::R1(I)
    • B(c);N_GUARD::S(E),XB(c)
    • B(c);N_GUARD::S(E)
    • S(f);N_GUARD::QAR2(F),XS(f)
    • S(f);N_GUARD::QAR2(F)
    • S(h);SBLOCK::R1(I)
  • Tries
    • Try
      • R(I);XB(c)
      • Threat
        • S(E)
      • Vars
        • S(f);N_GUARD::QAR2(F)
      • Refutation
        • R(g);
  • Actual
    • K(G);S_FLIGHT
    • Threat
      • QAR2(F)
    • Vars
      • K(d);S_FLIGHT,XR(I)::B(A)+K(G)
      • R(e);N_GUARD::QAB1(F)
      • B(b);SBLOCK::R1(I)
      • B(c);N_GUARD::S(E),XB(c)
      • B(c);N_GUARD::S(E)
      • S(f);N_GUARD::QAR2(F),XS(f)
      • S(f);N_GUARD::QAR2(F)
      • S(h);SBLOCK::R1(I)
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