MESON Chess Problem Database

Problem Display
PID: 202862 (4r3/4RR2/2B5/2PPp3/1P2kPN1/1Pn1P1K1/1Np1p3/3rn1B1 w - - 0 1)

Handloser, Ralf Chris

Schach, 2016

4r3/4RR2/2B5/2PPp3/1P2kPN1/1Pn1P1K1/1Np1p3/3rn1B1

#2

13 + 8

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Ra8
      • 2.Rxe5#
    • 1...Rb8
      • 2.Rxe5#
    • 1...Rc8
      • 2.Rxe5#
    • 1...Rd8
      • 2.Rxe5#
    • 1...Rf8
      • 2.Rxe5#
    • 1...Rg8
      • 2.Rxe5#
    • 1...Rh8
      • 2.Rxe5#
  • Tries
    • 1.Sc4?
      • threat
        • 2.Sf2#
      • 1...Kd3
        • 2.Sf2#
      • 1...Sd3
        • 2.Sd6#
      • 1...Rg8!
  • Keys
    • 1.Bd7!
      • threat
        • 2.Sf6#
      • 1...Kxd5
        • 2.Sf6#
      • 1...Sxd5
        • 2.Bf5#
      • 1...Rg8
        • 2.Rxe5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 6
  • Sets
    • R(h);N_GUARD::R1(L),XP(g)
    • R(h);N_GUARD,P_PINS(H)::R1(L),XP(g)
  • Tries
    • Try
      • S(B);
      • Threat
        • S(H)
      • Vars
        • K(f);N_SPINP(g),S_FLIGHT::S(H)
        • S(b);SBLOCK::S(B)
      • Refutation
        • R(h);P_PINS(H)
  • Actual
    • B(K);
    • Threat
      • S(H)
    • Vars
      • K(f);N_SPINP(g),S_FLIGHT,XP(J)::S(H)
      • S(e);SBLOCK,XP(J)::B(K)
      • R(h);N_GUARD,P_PINS(H)::R1(L),XP(g)
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