MESON Chess Problem Database

Problem Display
PID: 163855 (8/2NN4/3Q1P2/2pPBP2/2r1k3/2p1pRRB/2p1r3/2Kb4 w - - 0 1)

Svitek, Miroslav

Zadachi i Etyudi, 2014

8/2NN4/3Q1P2/2pPBP2/2r1k3/2p1pRRB/2p1r3/2Kb4

#2

11 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Rd2
      • 2.Rxe3#
    • 1...Rf2
      • 2.Rxe3#
    • 1...Rg2
      • 2.Rxe3#
    • 1...Rh2
      • 2.Rxe3#
    • 1...Ra4
      • 2.Sxc5#
    • 1...Rb4
      • 2.Sxc5#
    • 1...Rd4
      • 2.Sxc5#
  • Tries
    • 1.Bf1?
      • 1...Kd3
        • 2.Rxe3#
      • 1...Re1
        • 2.Rf4#
      • 1...Rd2
        • 2.Rf4#
      • 1...Rg2
        • 2.Rf4#
      • 1...Rh2
        • 2.Rf4#
      • 1...Ra4
        • 2.Sxc5#
      • 1...Rb4
        • 2.Sxc5#
      • 1...Rd4
        • 2.Sxc5#
      • 1...Rf2!
  • Keys
    • 1.Qa6!
      • threat
        • 2.Qxc4#
      • 1...Kd3
        • 2.Sxc5#
      • 1...Rd2
        • 2.Rxe3#
      • 1...Ra4
        • 2.Rf4#
      • 1...Rb4
        • 2.Rf4#
      • 1...Rd4
        • 2.Rf4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 3
    • ADDED MATES = 1
    • REMOVED MATES = 3
  • Sets
    • R(c);N_GUARD::R1(B),XP(e)
    • R(f);N_GUARD::S(K),XP(h)
  • Tries
    • Try
      • B(D);
      • Vars
        • K(g);P_SPINP(e),P_SPINR(c),S_FLIGHT::R1(B),XP(e)
        • R(c);::R1(B)
        • R(f);N_GUARD::S(K),XP(h)
      • Refutation
        • R(c);
  • Actual
    • Q(H);
    • Threat
      • QAR2(H),XR(f)
    • Vars
      • K(g);P_SPINP(e),P_SPINR(f),S_FLIGHT::S(K),XP(h)
      • R(c);N_GUARD::R1(B),XP(e)
      • R(f);::R1(B)
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