MESON Chess Problem Database

Problem Display
PID: 186132 (3rr1B1/2R1Bn2/b1n3p1/4N1N1/1P1kPp2/3p3Q/1K1R4/8 w - - 0 1)

Vazquez, Luis

Chess, 1959

3rr1B1/2R1Bn2/b1n3p1/4N1N1/1P1kPp2/3p3Q/1K1R4/8

#2

10 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Bc4
      • 2.Sxc6#
    • 1...Sxe5
      • 2.Bc5#
    • 1...Sd6
      • 2.Sxc6#
    • 1...Sh6
      • 2.Sxc6#
    • 1...Sh8
      • 2.Sxc6#
  • Tries
    • 1.Rxd3+?
      • 1...Kxe5
        • 2.Qe6#
      • 1...Bxd3!
    • 1.Rd7+?
      • 1...Kxe5
        • 2.Qe6#
      • 1...Sd6
        • 2.Sxc6#
      • 1...Rxd7!
  • Keys
    • 1.Re2!
      • threat
        • 2.Sgf3#
      • 1...Kxe5
        • 2.Sf3#
      • 1...Scxe5
        • 2.Se6#
      • 1...Sfxe5
        • 2.Bc5#
      • 1...Sxg5
        • 2.Sxc6#
      • 1...dxe2
        • 2.Qc3#
      • 1...f3
        • 2.Sgxf3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 4
  • Sets
    • B(d);SBLOCK::S(F),XS(e)
    • S(g);SBLOCK,XS(F)::B(I)
    • S(g);::S(F),XS(e)
  • Tries
    • Try
      • R(B);CHECK,XP(a)
      • Vars
        • K(b);S_FLIGHT,XS(F)::QAR1(C)
      • Refutation
        • B(d);XR(B)
    • Try
      • R(H);CHECK
      • Vars
        • K(b);N_SPINP(a),S_FLIGHT,XS(F)::QAR1(C)
        • S(g);P_SPINS(g)::S(F),XS(e)
      • Refutation
        • R(h);XR(H)
  • Actual
    • R(B);N_PINP(a)
    • Threat
      • S(G)
    • Vars
      • K(b);S_FLIGHT,XS(F)::S(G)
      • S(e);SBLOCK,XS(F)::S(G)
      • S(g);SBLOCK,XS(F)::B(I)
      • S(g);XS(G)::S(F),XS(e)
      • P(a);OGATE,XR(B)::QAB1(C)
      • P(c);::S(G),XP(c)
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