MESON Chess Problem Database

Problem Display
PID: 194784 (6n1/2rP1B2/3PK2p/2PR1p2/2k2P2/1RppBP1p/P2Pp2q/1b2n3 w - - 0 1)

Rice, John Michael

Die Schwalbe, 2018

6n1/2rP1B2/3PK2p/2PR1p2/2k2P2/1RppBP1p/P2Pp2q/1b2n3

#2

12 + 12

SOLUTION

  • SOUND
  • Sets
    • 1...Rxc5
      • 2.Rd4#
      • 2.Rxc5#
  • Tries
    • 1.Re5?
      • threat
        • 2.Kxf5#
      • 1...Rxc5
        • 2.Rxc5#
      • 1...Rxd7
        • 2.Kxd7#
      • 1...Sf6
        • 2.Kxf6#
      • 1...Se7
        • 2.Kxe7#
      • 1...Qxf4!
    • 1.Rxf5?
      • threat
        • 2.Ke5#
      • 1...Qxf4
        • 2.Rxf4#
      • 1...Rxc5
        • 2.Rxc5#
      • 1...Rxd7
        • 2.Kxd7#
      • 1...Sf6
        • 2.Kxf6#
      • 1...Se7
        • 2.Kxe7#
      • 1...Sxf3!
  • Keys
    • 1.Rxd3!
      • threat
        • 2.Rdxc3#
      • 1...Kxd3
        • 2.Rxc3#
      • 1...Bxd3
        • 2.Ke5#
      • 1...Sxd3
        • 2.Kxf5#
      • 1...cxd2
        • 2.Ke5#
        • 2.Kxf5#
        • 2.Rdc3#
      • 1...c2
        • 2.Ke5#
        • 2.Kxf5#
        • 2.Rdc3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(H);
      • Threat
        • B(L)+K(J),XP(i)
      • Vars
        • R(k);OGATE,XP(G)::R1(H),XR(k)
        • R(k);XP(K)::B(L)+K(J),XR(k)
        • S(l);::B(L)+K(J),XS(l)
      • Refutation
        • Q(d);XP(F)
    • Try
      • R(H);XP(i)
      • Threat
        • B(L)+K(J)
      • Vars
        • Q(d);OGATE,XP(F)::R(H),XQ(d)
        • R(k);OGATE,XP(G)::R1(H),XR(k)
        • R(k);XP(K)::B(L)+K(J),XR(k)
        • S(l);::B(L)+K(J),XS(l)
      • Refutation
        • S(b);XP(E)
  • Actual
    • R(H);XP(f)
    • Threat
      • R1(H),XP(e)
    • Vars
      • K(h);P_SPINP(e),S_FLIGHT,XR(H)::R1(C),XP(e)
      • B(a);SBLOCK,XR(H)::B(L)+K(J)
      • S(b);SBLOCK,XR(H)::B(L)+K(J),XP(i)
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