MESON Chess Problem Database

Problem Display
PID: 107183 (2R4K/8/8/3PpB2/3kP3/p6R/Pr6/B7 w - - 0 1)

Niemeijer, Meindert

Sachove umeni (Ceskoslovensky sach), 1975

2R4K/8/8/3PpB2/3kP3/p6R/Pr6/B7

#2

8 + 4

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Rhc3?
      • threat
        • 2.R8c4#
      • 1...Rb4
        • 2.Rb3#
      • 1...Rb8
        • 2.Rb3#
      • 1...Rh2+!
    • 1.Rcc3?
      • threat
        • 2.Rhd3#
      • 1...Rd2
        • 2.Rc2#
      • 1...Rh2
        • 2.Rc2#
      • 1...Rb8+!
  • Keys
    • 1.Be6!
      • 1...Kxe4
        • 2.Rc4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(C);N_PINR(a)
      • Threat
        • R1(G)
      • Vars
        • R(a);OGATEB::B(A)+R(C)
        • R(a);OGATEB,P_PINR(G)::B(A)+R(C)
      • Refutation
        • R(a);CHECK
    • Try
      • R(G);N_PINR(a)
      • Threat
        • R1(C)
      • Vars
        • R(a);OGATEB::B(A)+R(G)
        • R(a);OGATEB,P_PINR(C)::B(A)+R(G)
      • Refutation
        • R(a);CHECK
  • Actual
    • B(F);
    • Vars
      • K(c);N_SPINR(a),P-FLIGHT,XP(D)::R(G)
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