MESON Chess Problem Database

Problem Display
PID: 93339 (8/8/8/B2pN3/1K1Q1p2/2p2P2/ppp1pN2/rbRBknR1 w - - 0 1)

Stocchi, Ottavio

Skakbladet, 1930

8/8/8/B2pN3/1K1Q1p2/2p2P2/ppp1pN2/rbRBknR1

#2

9 + 11

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Rxc2?
      • threat
        • 2.Sed3#
        • 2.Rxe2#
      • 1...exd1Q
        • 2.Qxd1#
      • 1...exd1S
        • 2.Sfd3#
        • 2.Sed3#
        • 2.Qxd1#
      • 1...exd1B
        • 2.Sfd3#
        • 2.Sed3#
        • 2.Qxc3#
        • 2.Qxd1#
      • 1...exd1R
        • 2.Qxd1#
      • 1...Bxc2!
  • Keys
    • 1.Kxc3!
      • threat
        • 2.Kxb2#
        • 2.Kb3#
        • 2.Kd3#
        • 2.Sfd3#
        • 2.Sed3#
      • 1...cxd1S+
        • 2.Kb3#
      • 1...exd1S+
        • 2.Kd3#
      • 1...bxc1Q
        • 2.Sed3#
      • 1...bxc1S
        • 2.Kb2#
      • 1...bxc1B
        • 2.Sed3#
      • 1...bxc1R
        • 2.Kb2#
        • 2.Kb3#
        • 2.Kd3#
        • 2.Sed3#
      • 1...cxd1Q
        • 2.Kxb2#
      • 1...cxd1B
        • 2.Kxb2#
      • 1...cxd1R
        • 2.Kxb2#
        • 2.Kb3#
      • 1...exd1Q
        • 2.Qd2#
      • 1...exd1B
        • 2.Kd3#
        • 2.Qd2#
      • 1...exd1R
        • 2.Qd2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 9
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(A);XP(g)
      • Threat
        • DUALS(2)
      • Vars
        • P(h);OGATE,XB(B)::QAR1(G),XQ(h)
        • P(h);OGATE,XB(B)::QAR1(G),XR(h)
      • Refutation
        • B(b);XR(A)
  • Actual
    • K(F);S_FLIGHT,XP(i)
    • Threat
      • DUALS(5)
    • Vars
      • P(g);CHECK,N_SPINS(d),P_SPINS(g),XB(B)::B(H)+K(F)
      • P(h);CHECK,N_SPINS(d),P_SPINS(h),XB(B)::B(H)+K(F)
      • P(f);XR(A)::S(I)
      • P(f);XR(A)::B(H)+K(F)
      • P(g);P_SPINQ(g),XB(B)::B(H)+K(F),XP(f)
      • P(g);P_SPINB(g),XB(B)::B(H)+K(F),XP(f)
      • P(h);P_SPINQ(h),XB(B)::QAB1(G)
      • P(h);P_SPINR(h),XB(B)::QAB1(G)
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Developed and maintained by Brian Stephenson.
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