MESON Chess Problem Database

Problem Display
PID: 158137 (4n1rq/3K1Pb1/3pPk2/1R3P1p/1p2P2P/p3R1N1/p2B3r/1nQb4 w - - 0 1)

Armengol Burgues, Francisco

La Correspondencia de Valencia, 1934

4n1rq/3K1Pb1/3pPk2/1R3P1p/1p2P2P/p3R1N1/p2B3r/1nQb4

#2

11 + 13

15148 Sadier Collection 2016

SOLUTION

  • SOUND
  • Sets
    • 1...Qh6
      • 2.fxg8S#
    • 1...Bf8
      • 2.fxe8S#
    • 1...Sxd2
      • 2.Qa1#
    • 1...d5
      • 2.e5#
  • Tries
    • 1.Sxh5+?
      • 1...Qxh5
        • 2.fxg8S#
      • 1...Bxh5!
    • 1.fxe8Q?
      • threat
        • 2.Qg6#
        • 2.Qf7#
        • 2.Qe7#
      • 1...Rxh4
        • 2.Qg6#
        • 2.Qe7#
      • 1...Bh6
        • 2.Qf7#
        • 2.Qe7#
      • 1...Bf8
        • 2.Qf7#
      • 1...d5
        • 2.e5#
      • 1...Qh6
        • 2.Qf7#
        • 2.Qe7#
      • 1...Qh7
        • 2.Qf7#
        • 2.Qe7#
      • 1...Rf8
        • 2.Qg6#
        • 2.Qe7#
      • 1...Rxe8!
  • Keys
    • 1.Re2!
      • threat
        • 2.Bg5#
      • 1...Sxd2
        • 2.Qa1#
      • 1...Bh6
        • 2.Sxh5#
      • 1...Bf8
        • 2.fxe8S#
      • 1...d5
        • 2.e5#
      • 1...Qh6
        • 2.fxg8S#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • Q(m);N_GUARD::PXR(l)=S
    • B(j);S_CUTR(l)::PXS(k)=S
    • S(a);OGATE,XB(B)::QAB(A)
    • P(h);N_GUARD::P(E)
  • Tries
    • Try
      • S(D);CHECK,XP(g)
      • Vars
        • Q(m);N_GUARD,S_CUTB(b),XS(D)::PXR(l)=S
      • Refutation
        • B(b);XS(D)
    • Try
      • P(K);XS(k)
      • Threat
        • DUALS(3)
      • Vars
        • B(j);::QAR1(K)
        • P(h);N_GUARD::P(E)
      • Refutation
        • R(l);XQ(K)
  • Actual
    • R(C);
    • Threat
      • B(B)
    • Vars
      • S(a);OGATE,XB(B)::QAB(A)
      • B(j);S_CUTQ(m)::S(D),XP(g)
      • B(j);S_CUTR(l)::PXS(k)=S
      • P(h);N_GUARD::P(E)
      • Q(m);N_GUARD::PXR(l)=S
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