MESON Chess Problem Database

Problem Display
PID: 166967 (8/Q4p1B/2p2Br1/3pn3/1Rn1k1p1/3bNpP1/2PR1K2/8 w - - 0 1)

Dikusarov, Andrey Nikolayovich

Sachmatija, 2010

8/Q4p1B/2p2Br1/3pn3/1Rn1k1p1/3bNpP1/2PR1K2/8

#2

9 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Bf1
      • 2.Rd4#
      • 2.Qd4#
    • 1...Bxc2
      • 2.Rd4#
      • 2.Qd4#
    • 1...Be2
      • 2.Rd4#
      • 2.Qd4#
    • 1...Sd7
      • 2.Qd4#
      • 2.cxd3#
  • Tries
    • 1.Bxg6+?
      • 1...Sxg6
        • 2.Qd4#
        • 2.cxd3#
      • 1...fxg6!
    • 1.Rxc4+?
      • 1...Bxc4
        • 2.Rd4#
        • 2.Qd4#
      • 1...Sxc4
        • 2.Qd4#
        • 2.cxd3#
      • 1...d4
        • 2.Rxd4#
        • 2.Qxd4#
      • 1...dxc4!
    • 1.Qc5?
      • 1...Bxc2
        • 2.Rd4#
        • 2.Qd4#
      • 1...Bf1
        • 2.Rd4#
        • 2.Qd4#
      • 1...Be2
        • 2.Rd4#
        • 2.Qd4#
      • 1...Sd7
        • 2.Qd4#
        • 2.cxd3#
      • 1...d4!
    • 1.Qa1?
      • threat
        • 2.Qxe5#
      • 1...Sd7
        • 2.Qd4#
        • 2.cxd3#
      • 1...d4!
    • 1.Qe7?
      • threat
        • 2.Qxe5#
      • 1...d4
        • 2.cxd3#
      • 1...Kd4!
    • 1.c3?
      • threat
        • 2.Qd4#
      • 1...d4
        • 2.Qxd4#
      • 1...c5!
  • Keys
    • 1.Qd7!
      • 1...Kd4
        • 2.Rxc4#
      • 1...Bxc2
        • 2.Qf5#
      • 1...Sxd7
        • 2.cxd3#
      • 1...d4
        • 2.Qf5#
      • 1...Bf1
        • 2.Qf5#
      • 1...Be2
        • 2.Qf5#
      • 1...c5
        • 2.Qxd5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(I);CHECK,XR(i)
      • Refutation
        • P(j);XB(I)
    • Try
      • R(F);CHECK,XS(c)
      • Refutation
        • P(f);XR(F)
    • Try
      • Q(H);
      • Refutation
        • P(f);N_SPINS(c)
    • Try
      • Q(H);
      • Threat
        • QAR1(H),XS(g)
      • Refutation
        • P(f);N_SPINS(c)
    • Try
      • Q(H);
      • Threat
        • QAR1(H),XS(g)
      • Vars
        • P(f);N_SPINS(c),P_SPINS(g),SBLOCK::P(A),XB(a)
      • Refutation
        • K(d);N_SPINR(i),P-FLIGHT,P_SPINB(a)
    • Try
      • P(A);
      • Threat
        • QAR1(H)
      • Vars
        • P(f);N_SPINS(c)::QAR1(H),XP(f)
      • Refutation
        • P(h);
  • Actual
    • Q(H);
    • Vars
      • K(d);N_SPINR(i),P-FLIGHT,P_SPINB(a),P_SPINP(f)::R1(F),XS(c)
      • B(a);XP(A)::QAB1(H)
      • S(g);N_GUARD,XQ(H)::P(A),XB(a)
      • P(f);N_SPINS(c),SBLOCK::QAB1(H)
      • B(a);::QAB1(H)
      • P(h);N_GUARD::QAB1(H),XP(f)
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