MESON Chess Problem Database

Problem Display
PID: 53735 (4R1q1/2KpN1p1/3Pb3/1R3PN1/1BPk1pP1/1Pp3n1/2Ppp3/3rb3 w - - 0 1)

Bantysh, Nikolai Ivanovich

4th HM., Probleemblad, 2004

4R1q1/2KpN1p1/3Pb3/1R3PN1/1BPk1pP1/1Pp3n1/2Ppp3/3rb3

#2

12 + 12

102 Probleemblad 2007

SOLUTION

  • SOUND
  • Sets
    • 1...Ke3
      • 2.Bc5#
  • Tries
    • 1.Sc6+?
      • 1...Ke3
        • 2.Bc5#
      • 1...dxc6!
    • 1.Sg6?
      • threat
        • 2.Bc5#
      • 1...Ke3
        • 2.Bc5#
      • 1...Bxc4
        • 2.Sf3#
      • 1...Se4!
    • 1.Rd5+?
      • 1...Ke3
        • 2.Bc5#
      • 1...Bxd5!
    • 1.Re5?
      • threat
        • 2.Sf3#
      • 1...Kxe5
        • 2.Bxc3#
      • 1...Se4
        • 2.Rxe4#
      • 1...f3
        • 2.Sxf3#
      • 1...Bd5!
  • Keys
    • 1.Sd5!
      • threat
        • 2.Bxc3#
      • 1...Ke5
        • 2.Bxc3#
      • 1...Bxd5
        • 2.Bc5#
      • 1...Se4
        • 2.Sf3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 1
  • Sets
    • K(g);S_FLIGHT::B(C)
  • Tries
    • Try
      • S(K);CHECK
      • Vars
        • K(g);P_SPINB(i),S_FLIGHT::B(C)
      • Refutation
        • P(j);XS(K)
    • Try
      • S(K);
      • Threat
        • B(C)
      • Vars
        • K(g);P_SPINB(i),S_FLIGHT::B(C)
        • B(i);XP(D)::S(H)
      • Refutation
        • S(f);
    • Try
      • R(F);CHECK
      • Vars
        • K(g);S_FLIGHT::B(C)
      • Refutation
        • B(i);XR(F)
    • Try
      • R(F);
      • Threat
        • S(H)
      • Vars
        • K(g);S_FLIGHT,XR(F)::B(C),XP(e)
        • S(f);N_GUARD::R1(F),XS(f)
        • P(h);::S(H),XP(h)
      • Refutation
        • B(i);
  • Actual
    • S(K);
    • Threat
      • B(C),XP(e)
    • Vars
      • K(g);P_SPINB(i),S_FLIGHT::B(C),XP(e)
      • B(i);XS(K)::B(C)
      • S(f);SBLOCK::S(H)
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