MESON Chess Problem Database

Problem Display
PID: 265448 (1K1R4/nBPpN2p/1Nr1b2R/2p1kPB1/3rp1P1/2P1pn2/1Q5p/8 w - - 0 1)

Armeni, Alberto

Candela MT (Problemas), 2018

1K1R4/nBPpN2p/1Nr1b2R/2p1kPB1/3rp1P1/2P1pn2/1Q5p/8

#2

12 + 12

SOLUTION

  • SOUND
  • Sets
    • 1...Kd6
      • 2.Rxe6#
    • 1...Rd5
      • 2.Sc4#
    • 1...Bd5
      • 2.Sxd7#
    • 1...Se1
      • 2.Qxh2#
    • 1...Sg1
      • 2.Qxh2#
    • 1...Sh4
      • 2.Qxh2#
    • 1...Sxg5
      • 2.Qxh2#
    • 1...d6
      • 2.Rxe6#
  • Tries
    • 1.Sxc6+?
      • 1...Kd6
        • 2.Be7#
        • 2.Rxe6#
        • 2.Rxd7#
      • 1...dxc6
        • 2.Rxe6#
      • 1...Sxc6+!
    • 1.Sg6+?
      • 1...Kd6
        • 2.Be7#
      • 1...hxg6!
    • 1.Qg2?
      • threat
        • 2.Qg3#
      • 1...Kd6
        • 2.Rxe6#
      • 1...h1S!
    • 1.cxd4+?
      • 1...Kd6
        • 2.Sc4#
        • 2.Rxe6#
        • 2.Rxd7#
      • 1...Sxd4
        • 2.Qxh2#
      • 1...cxd4!
  • Keys
    • 1.Sed5!
      • threat
        • 2.Bf4#
      • 1...Kd6
        • 2.Rxe6#
      • 1...Rxd5
        • 2.Sc4#
      • 1...Bxd5
        • 2.Sxd7#
      • 1...Sxg5
        • 2.Qxh2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 4
  • Sets
    • K(g);P_SPINB(i),P_SPINP(k),S_CUTR(h),S_FLIGHT::R1(G),XB(i)
    • R(d);N_GUARD,S_CUTB(i)::S(F)
    • B(i);N_GUARD,S_CUTR(d)::S(F),XP(k)
    • S(c);N_GUARD::QAB(A),XP(a)
    • S(c);N_GUARD,XB(E)::QAB(A),XP(a)
    • P(k);N_GUARD,S_CUTR(h)::R1(G),XB(i)
  • Tries
    • Try
      • S(J);CHECK,XR(h)
      • Vars
        • P(k);XS(J)::R1(G),XB(i)
      • Refutation
        • S(j);CHECK,XS(J)
    • Try
      • S(J);CHECK
      • Vars
        • K(g);P_SPINP(k),S_CUTP(l),S_FLIGHT::B(E)
      • Refutation
        • P(l);XS(J)
    • Try
      • Q(A);
      • Threat
        • QAB(A)
      • Vars
        • K(g);P_SPINB(i),P_SPINP(k),S_CUTR(h),S_FLIGHT::R1(G),XB(i)
      • Refutation
        • P(a);
    • Try
      • P(B);CHECK,XR(d)
      • Vars
        • S(c);P_SPINS(c),SBLOCK,XP(B)::QAB(A),XP(a)
      • Refutation
        • P(f);P_SPINP(f),XP(B)
  • Actual
    • S(J);
    • Threat
      • B(E)
    • Vars
      • K(g);P_SPINB(i),P_SPINP(k),S_CUTR(h),S_FLIGHT::R1(G),XB(i)
      • R(d);N_GUARD,SBLOCK,XS(J)::S(F)
      • B(i);N_GUARD,SBLOCK,XS(J)::S(F),XP(k)
      • S(c);N_GUARD,XB(E)::QAB(A),XP(a)
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