MESON Chess Problem Database

Problem Display
PID: 244721 (B1n2N2/pN1pR2P/r2pRp2/bP1kBQ2/1Pp4r/2P2P1b/8/6K1 w - - 0 1)

Colaneri, Bruno

Candela MT (Problemas), 2018

B1n2N2/pN1pR2P/r2pRp2/bP1kBQ2/1Pp4r/2P2P1b/8/6K1

#2

13 + 11

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Re4
      • 2.Qxe4#
      • 2.fxe4#
    • 1...Rg4+
      • 2.Bg3#
    • 1...Rh5
      • 2.Qe4#
    • 1...Rh6
      • 2.Qe4#
    • 1...Rxh7
      • 2.Qe4#
    • 1...Bf1
      • 2.Bh2#
      • 2.Bg3#
      • 2.Bd4#
      • 2.Bf4#
      • 2.Bxd6#
      • 2.Bxf6#
    • 1...Bg2
      • 2.Bh2#
      • 2.Bg3#
      • 2.Bd4#
      • 2.Bf4#
      • 2.Bxd6#
      • 2.Bxf6#
    • 1...Bg4
      • 2.Qe4#
    • 1...Bb6+
      • 2.Sc5#
    • 1...Sb6
      • 2.Rxd6#
  • Tries
    • 1.Rxd6+?
      • 1...Rxd6
        • 2.Sxd6#
      • 1...Sxd6!
    • 1.Qd3+?
      • 1...Rd4
        • 2.Qxd4#
      • 1...cxd3!
  • Keys
    • 1.Sxd7!
      • threat
        • 2.Sxf6#
      • 1...Rg4+
        • 2.Bg3#
      • 1...Bb6+
        • 2.Sbc5#
      • 1...fxe5
        • 2.Sf6#
      • 1...Rh6
        • 2.Qe4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 4
  • Sets
    • R(c);CHECK,S_CUTB(a)::QAR(G)+B(F)
    • R(c);N_GUARD::QAB1(G)
    • R(c);N_GUARD,XP(K)::QAB1(G)
    • B(a);S_CUTR(c)::QAB1(G)
    • B(d);CHECK,S_CUTR(f)::B(L)+S(I)
    • S(k);N_GUARD,S_CUTR(f)::R1(H),XP(g)
  • Tries
    • Try
      • R(H);CHECK,XP(g)
      • Vars
        • R(f);XR(H)::B(L)+S(I),XR(f)
      • Refutation
        • S(k);XR(H)
    • Try
      • Q(G);CHECK
      • Vars
        • R(c);N_GUARD,P_SPINR(c)::QAR1(G),XR(c)
      • Refutation
        • P(b);XQ(G)
  • Actual
    • S(M);XP(j)
    • Threat
      • S(M),XP(h)
    • Vars
      • R(c);CHECK,S_CUTB(a)::QAR(G)+B(F)
      • B(d);CHECK,S_CUTR(f)::B(L)+S(I)
      • P(h);P_SPINP(h),XB(F)::S(M)
      • R(c);N_GUARD::QAB1(G)
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