MESON Chess Problem Database

Problem Display
PID: 183761 (8/2K5/k1N5/8/P7/r2R4/6B1/8 w - - 0 1)

Kirillov, Stanislav Vasilovich

Gaivoronsky Vesti, 1996

(First published on Wed May 29 1996)

8/2K5/k1N5/8/P7/r2R4/6B1/8

#2

5 + 2

56 The Problemist 2018

SOLUTION

  • SOUND
  • Tries
    • 1.Rb3?
      • threat
        • 2.Bf1#
        • 2.Rb6#
      • 1...Rxa4
        • 2.Rb6#
      • 1...Ra1
        • 2.Rb6#
      • 1...Ra2
        • 2.Rb6#
      • 1...Rxb3!
  • Keys
    • 1.Bf1!
      • threat
        • 2.Rxa3#
        • 2.Rb3#
        • 2.Rc3#
      • 1...Rxd3
        • 2.Bxd3#
      • 1...Rxa4
        • 2.Ra3#
      • 1...Ra1
        • 2.Rd1#
      • 1...Ra2
        • 2.Rd2#
      • 1...Rb3
        • 2.Rxb3#
      • 1...Rc3
        • 2.Rxc3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(B);
      • Threat
        • DUALS(2)
      • Vars
        • R(a);XP(C)::R1(B)
        • R(a);::R1(B)
      • Refutation
        • R(a);XR(B)
  • Actual
    • B(A);
    • Threat
      • DUALS(3)
    • Vars
      • R(a);OGATE,P_SPINR(a),XR(B)::B(A),XR(a)
      • R(a);XP(C)::B(A)+R(B)
      • R(a);N_GUARD::B(A)+R(B)
      • R(a);::B(A)+R(B),XR(a)
      • R(a);P_PINS(D)::B(A)+R(B),XR(a)
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