MESON Chess Problem Database

Problem Display
PID: 239760 (8/1Q2B3/1b5p/p1rrP3/B2p4/3P4/n3P3/KNk5 w - - 0 1)

Satanovsky, Mikhail S

Variantim, 2009

8/1Q2B3/1b5p/p1rrP3/B2p4/3P4/n3P3/KNk5

#2

8 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Rc4
      • 2.Ba3#
    • 1...Rc6
      • 2.Ba3#
    • 1...Rc7
      • 2.Ba3#
    • 1...Rc8
      • 2.Ba3#
    • 1...Rxe5
      • 2.Qh1#
    • 1...Rd6
      • 2.Qh1#
    • 1...Rd7
      • 2.Qh1#
    • 1...Rd8
      • 2.Qh1#
    • 1...Ba7
      • 2.Qb2#
    • 1...Bc7
      • 2.Qb2#
    • 1...Bd8
      • 2.Qb2#
    • 1...h5
      • 2.Bg5#
  • Tries
    • 1.Bxc5?
      • threat
        • 2.Ba3#
      • 1...Rxc5
        • 2.Qh1#
      • 1...Bxc5
        • 2.Qb2#
      • 1...Sb4!
    • 1.Bf8?
      • threat
        • 2.Bxh6#
      • 1...Rxe5
        • 2.Qh1#
      • 1...Rc6
        • 2.Ba3#
      • 1...Rd6
        • 2.Qh1#
      • 1...Bd8
        • 2.Qb2#
      • 1...h5
        • 2.Bh6#
      • 1...Rc2!
    • 1.Qxd5?
      • threat
        • 2.Qh1#
      • 1...Rxd5
        • 2.Ba3#
      • 1...Sc3!
    • 1.Qxb6?
      • threat
        • 2.Qb2#
        • 2.Qxh6#
      • 1...Rxe5
        • 2.Qb2#
      • 1...Rb5
        • 2.Qxh6#
      • 1...Rc6
        • 2.Ba3#
        • 2.Qb2#
      • 1...Rd6
        • 2.Qb2#
      • 1...Sb4
        • 2.Qxh6#
      • 1...h5
        • 2.Bg5#
        • 2.Qb2#
        • 2.Qh6#
      • 1...Rc2!
  • Keys
    • 1.Qc6!
      • threat
        • 2.Qxh6#
      • 1...Rxc6
        • 2.Ba3#
      • 1...Rxe5
        • 2.Qh1#
      • 1...Rc2
        • 2.Qxc2#
      • 1...Rd6
        • 2.Qh1#
      • 1...h5
        • 2.Bg5#
        • 2.Qh6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 9
  • Sets
    • R(e);OGATE::B(H)
    • R(f);OGATE,XP(F)::QAR(G)
    • R(f);OGATE::QAR(G)
    • B(g);OGATE::QAB1(G)
    • P(h);N_GUARD::B(H)
  • Tries
    • Try
      • B(H);XR(e)
      • Threat
        • B(H)
      • Vars
        • R(f);OGATE,XB(H)::QAR(G)
        • B(g);OGATE,XB(H)::QAB1(G)
      • Refutation
        • S(b);
    • Try
      • B(H);
      • Threat
        • B(H),XP(h)
      • Vars
        • R(f);OGATE,XP(F)::QAR(G)
        • R(e);OGATE::B(H)
        • R(f);OGATE::QAR(G)
        • B(g);OGATE::QAB1(G)
        • P(h);::B(H)
      • Refutation
        • R(e);
    • Try
      • Q(G);XR(f)
      • Threat
        • QAR(G)
      • Vars
        • R(e);OGATE,XQ(G)::B(H)
      • Refutation
        • S(b);
    • Try
      • Q(G);XB(g)
      • Threat
        • DUALS(2)
      • Vars
        • R(f);XP(F)::QAB1(G)
        • R(e);::QAB(G),XP(h)
        • R(f);::QAB1(G)
        • S(b);::QAB(G),XP(h)
      • Refutation
        • R(e);
  • Actual
    • Q(G);P_PINR(e)
    • Threat
      • QAB(G),XP(h)
    • Vars
      • R(e);N_SPINR(e),OGATE,XQ(G)::B(H)
      • R(f);OGATE,XP(F)::QAR(G)
      • R(e);OGATE::QAR1(G),XR(e)
      • R(f);OGATE::QAR(G)
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