MESON Chess Problem Database

Problem Display
PID: 150219 (8/8/4R3/2qN1B1K/2pPP2p/5r2/1N2k1P1/3R2B1 w - - 0 1)

Lipton, Michael

Die Schwalbe, 2013

8/8/4R3/2qN1B1K/2pPP2p/5r2/1N2k1P1/3R2B1

#2

10 + 5

SOLUTION

  • SOUND
  • Sets
    • 1...Rf1
      • 2.Sc3#
    • 1...Ra3
      • 2.Sf4#
    • 1...Rb3
      • 2.Sf4#
    • 1...Rc3
      • 2.Sxc3#
      • 2.Sf4#
    • 1...Rd3
      • 2.Sf4#
    • 1...Re3
      • 2.Sf4#
    • 1...Rg3
      • 2.Sf4#
    • 1...Rh3
      • 2.Sf4#
    • 1...Rf4
      • 2.Sc3#
      • 2.Sxf4#
    • 1...Rxf5+
      • 2.exf5#
  • Keys
    • 1.Bg4!
      • threat
        • 2.Bxf3#
      • 1...Qxd5+
        • 2.exd5#
      • 1...Qa3
        • 2.Sf4#
      • 1...Qf8
        • 2.Sc3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 8
  • Sets
    • R(b);N_GUARD::S(G)
    • R(b);CHECK,OGATE,XB(H)::R(J)+P(F),XR(b)
  • Actual
    • B(H);P_PINR(b),P_SPINS(G)
    • Threat
      • B(H),XR(b)
    • Vars
      • Q(e);CHECK,OGATE,XS(G)::R(J)+P(F),XQ(e)
      • Q(e);N_PINS(G)::S(G)
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