MESON Chess Problem Database

Problem Display
PID: 158129 (Q7/2B3N1/n1pbp3/r5qR/2PkrpP1/1R1n4/p2NPP2/K7 w - - 0 1)

Arguelles Ferrer, Antonio Fernandez

Sports Referee, 1930

Q7/2B3N1/n1pbp3/r5qR/2PkrpP1/1R1n4/p2NPP2/K7

#2

11 + 11

15148 Sadier Collection 2016

SOLUTION

  • SOUND
  • Sets
    • 1...Kc5
      • 2.Bb6#
      • 2.Qa7#
    • 1...Qh4
      • 2.Rxd3#
    • 1...Qf6
      • 2.Rxd3#
    • 1...Qh6
      • 2.Rxd3#
    • 1...Qe7
      • 2.Rxd3#
    • 1...Qd8
      • 2.Rxd3#
    • 1...Qxg4
      • 2.Rxd3#
    • 1...Qb5
      • 2.Rxd3#
    • 1...Qc5
      • 2.Rxd3#
    • 1...Qg6
      • 2.Rxd3#
    • 1...Qxg7
      • 2.Rxd3#
    • 1...Bc5
      • 2.Rxd3#
    • 1...Be5
      • 2.Sxe6#
    • 1...Se5
      • 2.Sxe6#
    • 1...c5
      • 2.Qxe4#
    • 1...e5
      • 2.Se6#
  • Keys
    • 1.Qh8!
      • threat
        • 2.Sxe6#
      • 1...Kc5
        • 2.Bb6#
      • 1...Ke5
        • 2.Se8#
      • 1...Qxg7
        • 2.Rxd3#
      • 1...Qf6
        • 2.Rxd3#
      • 1...e5
        • 2.Se6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 12
  • Sets
    • Q(g);::R1(E),XS(b)
    • Q(g);XP(G)::R1(E),XS(b)
    • Q(g);XS(J)::R1(E),XS(b)
    • B(j);SBLOCK::R1(E),XS(b)
    • B(j);S_CUTR(d)::S(J),XP(k)
    • S(b);SBLOCK,S_CUTR(d)::S(J),XP(k)
    • P(i);OGATE,SBLOCK::QAR1(K),XR(d)
    • P(k);SBLOCK,S_CUTR(d)::S(J)
  • Actual
    • Q(K);
    • Threat
      • QAB(K)+S(J),DCHECK,XP(k)
    • Vars
      • K(c);P_SPINQ(g),S_FLIGHT::B(I)
      • K(c);P_SPINB(j),P_SPINQ(g),S_FLIGHT::QAB(K)+S(J)
      • Q(g);P_SPINQ(g),XS(J)::R1(E),XS(b)
      • Q(g);::R1(E),XS(b)
      • P(k);::S(J)
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