MESON Chess Problem Database

Problem Display
PID: 197848 (3N4/3bp3/4pP2/3kB2B/1K1Ppp2/n7/2p5/1nRN1Q2 w - - 0 1)

Cinko, Peter

Sachova skladba, 1986

3N4/3bp3/4pP2/3kB2B/1K1Ppp2/n7/2p5/1nRN1Q2

#2

9 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Sd2
      • 2.Sc3#
    • 1...Sc3
      • 2.Sxc3#
    • 1...Sc4
      • 2.Qxc4#
    • 1...Sb5
      • 2.Qc4#
    • 1...cxd1Q
      • 2.Rc5#
    • 1...cxd1S
      • 2.Rc5#
    • 1...cxd1B
      • 2.Rc5#
    • 1...cxd1R
      • 2.Rc5#
    • 1...e3
      • 2.Bf3#
      • 2.Qf3#
    • 1...f3
      • 2.Se3#
  • Tries
    • 1.Rxc2?
      • threat
        • 2.Rc5#
      • 1...e3
        • 2.Bf3#
        • 2.Qf3#
      • 1...Sc3
        • 2.Sxc3#
      • 1...Sc4
        • 2.Qxc4#
      • 1...Sxc2+!
    • 1.Qxf4?
      • threat
        • 2.Se3#
      • 1...cxd1Q
        • 2.Rc5#
      • 1...cxd1S
        • 2.Rc5#
      • 1...cxd1B
        • 2.Rc5#
      • 1...cxd1R
        • 2.Rc5#
      • 1...e3
        • 2.Sxe3#
        • 2.Bf3#
        • 2.Qf3#
      • 1...Sc4!
  • Keys
    • 1.Qa6!
      • 1...cxd1Q
        • 2.Rc5#
      • 1...cxd1S
        • 2.Rc5#
      • 1...cxd1B
        • 2.Rc5#
      • 1...cxd1R
        • 2.Rc5#
      • 1...exf6
        • 2.Qd6#
      • 1...e3
        • 2.Bf3#
      • 1...Ba4
        • 2.Qxe6#
      • 1...Bb5
        • 2.Qxe6#
      • 1...Bc6
        • 2.Qxc6#
      • 1...Bc8
        • 2.Qc6#
      • 1...Be8
        • 2.Qxe6#
      • 1...Sd2
        • 2.Sc3#
      • 1...Sc3
        • 2.Sxc3#
      • 1...Sc4
        • 2.Qxc4#
      • 1...Sb5
        • 2.Qa2#
      • 1...f3
        • 2.Se3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
    • S(a);N_GUARD::S(B)
    • S(a);N_GUARD::S(B),XS(a)
    • S(c);N_GUARD::QAB1(C),XS(c)
    • S(c);N_GUARD::QAB1(C)
    • P(b);OGATE,XS(B)::R1(A)
    • P(e);N_GUARD::S(B)
  • Tries
    • Try
      • R(A);XP(b)
      • Threat
        • R1(A)
      • Vars
        • S(a);N_GUARD::S(B),XS(a)
        • S(c);N_GUARD::QAB1(C),XS(c)
      • Refutation
        • S(c);CHECK,XR(A)
    • Try
      • Q(C);XP(e)
      • Threat
        • S(B)
      • Vars
        • P(b);OGATE,XS(B)::R1(A)
      • Refutation
        • S(c);
  • Actual
    • Q(C);
    • Vars
      • P(b);OGATE,XS(B)::R1(A)
      • P(i);N_GUARD,XP(H)::QAR1(C)
      • P(d);OGATEB::B(G)
      • B(h);N_GUARD::QAB1(C),XP(g)
      • B(h);N_GUARD::QAB1(C),XB(h)
      • B(h);N_GUARD::QAB1(C)
      • S(a);N_GUARD::S(B)
      • S(a);N_GUARD::S(B),XS(a)
      • S(c);N_GUARD::QAB1(C),XS(c)
      • S(c);OGATE::QAB(C)
      • P(e);N_GUARD::S(B)
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