MESON Chess Problem Database

Problem Display
PID: 275789 (8/4N3/2p1bp2/8/1Qp1kp2/5N2/2KP2P1/2n3B1 w - - 0 1)

Vinagre, Jose C

Phenix, 2001

8/4N3/2p1bp2/8/1Qp1kp2/5N2/2KP2P1/2n3B1

#2

7 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...Bh3
      • 2.Qxc4#
    • 1...Bg4
      • 2.Qxc4#
    • 1...Bf5
      • 2.Qxc4#
    • 1...Bd7
      • 2.Qxc4#
    • 1...Bc8
      • 2.Qxc4#
    • 1...Sa2
      • 2.d3#
    • 1...Se2
      • 2.d3#
    • 1...Sb3
      • 2.d3#
  • Tries
    • 1.Sg5+?
      • 1...Ke5
        • 2.Qb8#
      • 1...fxg5!
    • 1.Qd6?
      • threat
        • 2.Qd4#
        • 2.Qxe6#
      • 1...Bh3
        • 2.Qd4#
        • 2.Qxc6#
      • 1...Bg4
        • 2.Qd4#
        • 2.Qxc6#
      • 1...Bf5
        • 2.Qd4#
        • 2.Qxc6#
      • 1...Bd7
        • 2.Qd4#
      • 1...Bf7
        • 2.Qd4#
      • 1...Bc8
        • 2.Qd4#
        • 2.Qxc6#
      • 1...Bg8
        • 2.Qd4#
      • 1...Se2
        • 2.Qxe6#
      • 1...Sb3
        • 2.Qxe6#
      • 1...Sd3
        • 2.Qd4#
      • 1...c5
        • 2.Qxe6#
      • 1...Bd5!
  • Keys
    • 1.d4!
      • threat
        • 2.Sd2#
      • 1...Sb3
        • 2.Qe1#
      • 1...c3
        • 2.d5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 1
    • REMOVED MATES = 7
  • Sets
    • B(f);N_GUARD::QAR2(F),XP(b)
    • S(a);N_GUARD::P(C)
  • Tries
    • Try
      • S(E);CHECK
      • Vars
        • K(c);N_SPINP(b),P-FLIGHT,S_CUTP(g)::QAB(F)
      • Refutation
        • P(g);XS(E)
    • Try
      • Q(F);N_PINP(b)
      • Threat
        • DUALS(2)
      • Vars
        • B(f);::QAR1(F)
        • S(a);::QAR2(F),XB(f)
        • S(a);::QAR1(F)
        • P(e);::QAR2(F),XB(f)
      • Refutation
        • B(f);
  • Actual
    • P(C);N_PINP(b)
    • Threat
      • S(E)
    • Vars
      • S(a);N_GUARD::QAR(F)
      • P(b);::QAR(F)+P(C)
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