MESON Chess Problem Database

Problem Display
PID: 139080 (B4B2/3b4/Q3p3/1n6/1Nkp3R/2p4R/Kp6/1n2r1b1 w - - 0 1)

Ahues, Herbert Siegfried Oskar

Rochade Europa, 2010

B4B2/3b4/Q3p3/1n6/1Nkp3R/2p4R/Kp6/1n2r1b1

#2

7 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Bc6
      • 2.Qxc6#
    • 1...Bc8
      • 2.Qc6#
    • 1...e5
      • 2.Bd5#
  • Tries
    • 1.Sc2?
      • threat
        • 2.Qa4#
      • 1...Re3
        • 2.Rxd4#
      • 1...Bc6
        • 2.Qxc6#
      • 1...Be3!
    • 1.Sd3?
      • threat
        • 2.Qa4#
      • 1...Be3
        • 2.Se5#
      • 1...Bc6
        • 2.Qxc6#
      • 1...c2
        • 2.Sxb2#
      • 1...Re3!
    • 1.Qxe6+?
      • 1...Rxe6
        • 2.Bd5#
      • 1...Bxe6!
  • Keys
    • 1.Sc6!
      • threat
        • 2.Sa5#
      • 1...Kd5
        • 2.Qxb5#
      • 1...Bxc6
        • 2.Qxc6#
      • 1...Re3
        • 2.Rxd4#
      • 1...Be3
        • 2.Se5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 2
  • Sets
    • B(j);N_GUARD::QAR2(E),XB(j)
    • B(j);N_GUARD::QAR2(E)
    • P(i);N_GUARD::B(F)
  • Tries
    • Try
      • S(C);
      • Threat
        • QAR2(E)
      • Vars
        • R(b);S_CUTB(c)::R1(D),XP(g)
        • B(j);N_GUARD::QAR2(E),XB(j)
      • Refutation
        • B(c);
    • Try
      • S(C);
      • Threat
        • QAR2(E)
      • Vars
        • B(c);S_CUTR(b)::S(C)
        • B(j);N_GUARD::QAR2(E),XB(j)
        • P(e);N_GUARD::S(C),XP(d)
      • Refutation
        • R(b);
    • Try
      • Q(E);CHECK,N_PINS(h),XP(i)
      • Vars
        • R(b);XQ(E)::B(F)
      • Refutation
        • B(j);XQ(E)
  • Actual
    • S(C);
    • Threat
      • S(C)
    • Vars
      • K(f);N_SPINP(g),N_SPINS(h),S_FLIGHT::QAR2(E),XS(h)
      • B(j);OGATE,XS(C)::QAR2(E),XB(j)
      • R(b);S_CUTB(c)::R1(D),XP(g)
      • B(c);S_CUTR(b)::S(C)
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