MESON Chess Problem Database

Problem Display
PID: 268887 (6R1/8/NpK1p2p/2Q3pp/r3k3/nr4PN/2q1PB2/1B2b3 w - - 0 1)

Colaneri, Bruno

Problemas, 2020

6R1/8/NpK1p2p/2Q3pp/r3k3/nr4PN/2q1PB2/1B2b3

#2

9 + 11

SOLUTION

  • SOUND
  • Sets
    • 1...Bxf2
      • 2.Sxf2#
  • Tries
    • 1.Bxc2+?
      • 1...Rd3
        • 2.Bxd3#
      • 1...Sxc2!
    • 1.Re8?
      • threat
        • 2.Rxe6#
      • 1...e5
        • 2.Rxe5#
      • 1...Bc3
        • 2.Qd5#
      • 1...Sc4
        • 2.Qd5#
      • 1...bxc5!
  • Keys
    • 1.Rxg5!
      • threat
        • 2.Re5#
      • 1...bxc5
        • 2.Sxc5#
      • 1...hxg5
        • 2.Sxg5#
      • 1...Bc3
        • 2.Qe3#
      • 1...Sc4
        • 2.Qd4#
      • 1...e5
        • 2.Rxe5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 1
  • Sets
    • B(a);XB(C)::S(E),XB(a)
  • Tries
    • Try
      • B(A);CHECK,N_SPINQ(F),XQ(b)
      • Vars
        • R(d);N_GUARD,P_SPINR(d)::B(A),XR(d)
      • Refutation
        • S(c);XB(A)
    • Try
      • R(I);P_PINP(j)
      • Threat
        • R(I),XP(j)
      • Vars
        • P(j);OGATE::R1(I),XP(j)
        • B(a);N_PINQ(F)::QAB1(F)
        • S(c);N_PINQ(F)::QAB1(F)
      • Refutation
        • P(i);XQ(F)
  • Actual
    • R(I);XP(g)
    • Threat
      • R1(I)
    • Vars
      • P(i);XQ(F)::S(G),XP(i)
      • P(k);XR(I)::S(E),XP(k)
      • B(a);N_PINQ(F)::QAR1(F)
      • S(c);N_PINQ(F)::QAR1(F)
      • P(j);::R1(I),XP(j)
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Developed and maintained by Brian Stephenson.
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