MESON Chess Problem Database

Problem Display
PID: 180571 (B7/3QN1Kp/3pP3/R1prk3/2pp1p2/3R1p2/3P1NP1/rb6 w - - 0 1)

Zabirokhin, Piotr

Sachmatija, 2016

B7/3QN1Kp/3pP3/R1prk3/2pp1p2/3R1p2/3P1NP1/rb6

#2

10 + 11

SOLUTION

  • SOUND
  • Tries
    • 1.Rxc5?
      • threat
        • 2.Rxd5#
      • 1...Rxc5
        • 2.Sg4#
      • 1...dxc5
        • 2.Qxd5#
      • 1...Ra5!
  • Keys
    • 1.Rxd4!
      • threat
        • 2.Rxd5#
      • 1...Kxd4
        • 2.Sc6#
      • 1...Rxd4
        • 2.Sg4#
      • 1...cxd4
        • 2.Rxd5#
      • 1...Be4
        • 2.Rxe4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(E);P_PINR(h),XP(g)
      • Threat
        • R1(E),XR(h)
      • Vars
        • R(h);N_SPINR(h),XR(E)::S(B)
        • P(j);N_SPINR(h),OGATE,XR(E)::QAR1(G),XR(h)
      • Refutation
        • R(a);
  • Actual
    • R(D);XP(e)
    • Threat
      • R1(D),XR(h)
    • Vars
      • K(i);S_FLIGHT,XR(D)::S(H)
      • R(h);P_SPINP(g),SBLOCK,XR(D)::S(B)
      • P(g);OGATE,P_SPINR(h),XR(D)::R1(E),XR(h)
      • B(b);N_GUARD::R1(D),XB(b)
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