MESON Chess Problem Database

Problem Display
PID: 57751 (2QR3b/8/2pR4/2B1ppK1/b2pk1N1/3rp3/5r2/1B4N1 w - - 0 1)

Kapralos, Demetrius N

1st Prize, Scacco!, 1995-1996

2QR3b/8/2pR4/2B1ppK1/b2pk1N1/3rp3/5r2/1B4N1

#2

8 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Ra2
      • 2.Qxf5#
    • 1...Rb2
      • 2.Qxf5#
    • 1...Rc2
      • 2.Qxf5#
    • 1...Rd2
      • 2.Qxf5#
    • 1...Re2
      • 2.Qxf5#
    • 1...Rg2
      • 2.Qxf5#
    • 1...Rh2
      • 2.Qxf5#
    • 1...Bd1
      • 2.Qxc6#
    • 1...Bc2
      • 2.Qxc6#
    • 1...Bf6+
      • 2.Sxf6#
    • 1...f4
      • 2.Qf5#
  • Tries
    • 1.Re6?
      • threat
        • 2.Rxd4#
      • 1...Bf6+
        • 2.Sxf6#
      • 1...Bc2
        • 2.Qxc6#
      • 1...Rc2!
    • 1.Qe6?
      • threat
        • 2.Rxd4#
      • 1...Bf6+
        • 2.Sxf6#
      • 1...Rc2
        • 2.Qxf5#
      • 1...Bc2!
  • Keys
    • 1.Re8!
      • threat
        • 2.Rxd4#
      • 1...Bf6+
        • 2.Sxf6#
      • 1...Rc2
        • 2.Qxf5#
      • 1...Bc2
        • 2.Qxc6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 8
  • Sets
    • R(a);N_GUARD::QAB1(G),XP(h)
    • R(a);N_GUARD,N_SPINR(b)::QAB1(G),XP(h)
    • R(a);N_GUARD,P_PINS(C)::QAB1(G),XP(h)
    • B(d);N_GUARD::QAB(G),XP(i)
    • B(d);N_GUARD,N_SPINR(b)::QAB(G),XP(i)
    • B(j);CHECK,N_GUARD::S(C),XB(j)
    • P(h);S_CUTR(a)::QAB1(G)
  • Tries
    • Try
      • R(F);P_PINP(g)
      • Threat
        • R1(H),XP(e)
      • Vars
        • B(j);CHECK,N_GUARD::S(C),XB(j)
        • B(d);N_GUARD,N_SPINR(b)::QAB(G),XP(i)
      • Refutation
        • R(a);N_SPINR(b)
    • Try
      • Q(G);P_PINP(g)
      • Threat
        • R1(F),XP(e)
      • Vars
        • B(j);CHECK,N_GUARD::S(C),XB(j)
        • R(a);N_GUARD,N_SPINR(b)::QAB1(G),XP(h)
      • Refutation
        • B(d);N_SPINR(b)
  • Actual
    • R(H);P_PINP(g)
    • Threat
      • R1(F),XP(e)
    • Vars
      • B(j);CHECK,N_GUARD::S(C),XB(j)
      • R(a);N_GUARD,N_SPINR(b)::QAB1(G),XP(h)
      • B(d);N_GUARD,N_SPINR(b)::QAB(G),XP(i)
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