MESON Chess Problem Database

Problem Display
PID: 114191 (1n5K/3R1p2/1b2B1R1/r1N1k2p/1Q1p3r/3P2P1/3p4/7b w - - 0 1)

Stocchi, Ottavio

Suomen Shakki, 1951

1n5K/3R1p2/1b2B1R1/r1N1k2p/1Q1p3r/3P2P1/3p4/7b

#2

8 + 10

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Rh2
      • 2.Qxd4#
    • 1...Rh3
      • 2.Qxd4#
    • 1...Re4
      • 2.Rd5#
    • 1...Be4
      • 2.Qxd4#
    • 1...Bd5
      • 2.Rxd5#
    • 1...Sxd7
      • 2.Sxd7#
  • Tries
    • 1.Rg5+?
      • 1...f5
        • 2.Rxf5#
      • 1...Kf6!
  • Keys
    • 1.Se4!
      • threat
        • 2.Qd6#
      • 1...fxe6
        • 2.Rg5#
      • 1...Rc5
        • 2.Qxd4#
      • 1...Rd5
        • 2.Rxd5#
      • 1...Bc5
        • 2.Rd5#
      • 1...Bc7
        • 2.Qxd4#

There are these versions: 63966

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 6
  • Sets
    • R(d);N_GUARD::QAB1(C),XP(c)
    • R(d);S_CUTB(a)::R1(G)
    • B(a);S_CUTR(d)::QAB1(C),XP(c)
    • B(a);N_GUARD::R1(G),XB(a)
    • S(j);XR(G)::S(D),XS(j)
  • Tries
    • Try
      • R(F);CHECK
      • Vars
        • P(i);P_SPINP(i)::R1(F),XP(i)
      • Refutation
        • K(f);S_FLIGHT
  • Actual
    • S(D);
    • Threat
      • QAB1(C)
    • Vars
      • P(i);N_GUARD,SBLOCK,XB(E)::R(F)
      • R(e);S_CUTB(h)::QAB1(C),XP(c)
      • R(e);N_GUARD::R1(G),XR(e)
      • B(h);S_CUTR(e)::R1(G)
      • B(h);N_GUARD::QAB1(C),XP(c)
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