MESON Chess Problem Database

Problem Display
PID: 265060 (1Q6/4pr2/1p2p3/1Pk5/2P3RB/P4pb1/5NPq/4KB2 w - - 0 1)

Cacciari, Europe

L'Italia Scacchistica, 1934

1Q6/4pr2/1p2p3/1Pk5/2P3RB/P4pb1/5NPq/4KB2

#2

10 + 8

15601 Albrecht-Leiss-Degener Collection 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Rf4
      • 2.Qe5#
    • 1...Bxf2+
      • 2.Bxf2#
    • 1...Be5
      • 2.Sd3#
    • 1...Bd6
      • 2.Sd3#
    • 1...e5
      • 2.Qc7#
  • Tries
    • 1.Bxg3?
      • threat
        • 2.Sd3#
        • 2.Qe5#
        • 2.Qc7#
        • 2.Qc8#
      • 1...Rf4
        • 2.Qe5#
      • 1...Qh5
        • 2.Sd3#
        • 2.Qc7#
        • 2.Qc8#
      • 1...Qh7
        • 2.Qe5#
        • 2.Qc7#
        • 2.Qc8#
      • 1...Qh8
        • 2.Sd3#
        • 2.Qc7#
      • 1...Rf5
        • 2.Sd3#
        • 2.Qc7#
        • 2.Qc8#
      • 1...Rf8
        • 2.Sd3#
        • 2.Qe5#
        • 2.Qc7#
      • 1...e5
        • 2.Sd3#
        • 2.Qxe5#
        • 2.Qc7#
      • 1...Qxg3!
    • 1.Bxe7+?
      • 1...Bd6
        • 2.Sd3#
        • 2.Qc7#
        • 2.Qc8#
      • 1...Rxe7!
    • 1.Rf4?
      • threat
        • 2.Qe5#
        • 2.Qc7#
      • 1...Bxf2+
        • 2.Bxf2#
      • 1...Rxf4
        • 2.Qe5#
      • 1...Rf5
        • 2.Bxe7#
        • 2.Qc7#
      • 1...e5
        • 2.Qxe5#
        • 2.Qc7#
      • 1...Bxf4!
  • Keys
    • 1.Qd8!
      • threat
        • 2.Qd4#
      • 1...Bxf2+
        • 2.Bxf2#
      • 1...Rf4
        • 2.Bxe7#
      • 1...Bf4
        • 2.Se4#
      • 1...Be5
        • 2.Sd3#
        • 2.Se4#
      • 1...Bd6
        • 2.Sd3#
      • 1...e5
        • 2.Qc7#
        • 2.Qd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 1
    • REMOVED MATES = 2
  • Sets
    • R(h);S_CUTB(c)::QAR2(J)
    • B(c);CHECK,OGATE,XS(C)::B(H),XB(c)
    • B(c);N_PINS(C)::S(C)
    • P(f);S_CUTB(c)::QAR2(J)
  • Tries
    • Try
      • B(H);N_SPINS(C),XB(c)
      • Threat
        • DUALS(4)
      • Vars
        • R(h);::QAR2(J)
      • Refutation
        • Q(a);P_PINS(C),XB(H)
    • Try
      • B(H);CHECK,XP(g)
      • Refutation
        • R(h);XB(H)
    • Try
      • R(G);
      • Threat
        • DUALS(2)
      • Vars
        • B(c);CHECK,OGATE,XS(C)::B(H),XB(c)
        • R(h);XR(G)::QAR2(J)
      • Refutation
        • B(c);N_PINS(C),XR(G)
  • Actual
    • Q(J);
    • Threat
      • QAB1(J)
    • Vars
      • B(c);CHECK,OGATE,XS(C)::B(H),XB(c)
      • R(h);N_GUARD,S_CUTB(c)::B(H),XP(g)
      • B(c);N_PINS(C)::S(C)
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