MESON Chess Problem Database

Problem Display
PID: 205867 (N2b1q2/5p2/R7/2kpQ3/Ppb5/2R1P2p/4n2K/2B5 w - - 0 1)

Svitek, Miroslav

Troll, 2019

N2b1q2/5p2/R7/2kpQ3/Ppb5/2R1P2p/4n2K/2B5

#2

8 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Qd6
      • 2.Qxd6#
    • 1...Qg7
      • 2.Qd6#
    • 1...Qe8
      • 2.Qd6#
    • 1...Qg8
      • 2.Qd6#
    • 1...Qh8
      • 2.Qd6#
    • 1...Bh4
      • 2.Qc7#
    • 1...Bg5
      • 2.Qc7#
    • 1...Bf6
      • 2.Qc7#
    • 1...Bc7
      • 2.Qxc7#
    • 1...Be7
      • 2.Qc7#
    • 1...Sxc1
      • 2.Qd4#
    • 1...Sg1
      • 2.Qd4#
    • 1...Sxc3
      • 2.Qd4#
    • 1...Sg3
      • 2.Qd4#
    • 1...Sd4
      • 2.Qxd4#
      • 2.exd4#
    • 1...Sf4
      • 2.Qd4#
    • 1...bxc3
      • 2.Ba3#
    • 1...b3
      • 2.Ba3#
  • Tries
    • 1.Ra5+?
      • 1...Kc6
        • 2.Qxd5#
      • 1...Bxa5!
  • Keys
    • 1.Sc7!
      • threat
        • 2.Qxd5#
      • 1...Bxc7
        • 2.Qxc7#
      • 1...Sxc3
        • 2.Qd4#
      • 1...bxc3
        • 2.Ba3#
      • 1...b3
        • 2.Ba3#
      • 1...Qd6
        • 2.Qxd6#
      • 1...Sf4
        • 2.Qd4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 11
  • Sets
    • Q(i);N_GUARD,P_PINQ(F)::QAB1(F),XQ(i)
    • Q(i);N_GUARD::QAB1(F)
    • B(h);N_GUARD::QAR2(F)
    • B(h);N_GUARD,P_PINQ(F)::QAR2(F),XB(h)
    • S(a);N_GUARD,XB(A)::QAB1(F)
    • S(a);N_GUARD::QAB1(F)
    • S(a);N_GUARD,N_SPINB(d),XR(C)::QAB1(F)
    • P(c);N_SPINB(d),OGATEB,XR(C)::B(A)
    • P(c);OGATEB::B(A)
  • Tries
    • Try
      • R(G);CHECK
      • Vars
        • K(e);N_SPINP(f),P-FLIGHT::QAB1(F),XP(f)
      • Refutation
        • B(h);XR(G)
  • Actual
    • S(H);
    • Threat
      • QAR1(F),XP(f)
    • Vars
      • B(h);OGATE,P_PINQ(F),XS(H)::QAR2(F),XB(h)
      • S(a);N_GUARD,N_SPINB(d),XR(C)::QAB1(F)
      • P(c);N_SPINB(d),OGATEB,XR(C)::B(A)
      • P(c);OGATEB::B(A)
      • Q(i);N_GUARD,P_PINQ(F)::QAB1(F),XQ(i)
      • S(a);N_GUARD::QAB1(F)
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