MESON Chess Problem Database

Problem Display
PID: 76708 (2N5/3nB3/R3P2N/3Pk3/R5bp/2r5/KQ6/1n5B w - - 0 1)

Monreal, Pierre

Aspects, 1944

2N5/3nB3/R3P2N/3Pk3/R5bp/2r5/KQ6/1n5B

#2

10 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Bf5
      • 2.Sf7#
    • 1...Bxe6
      • 2.Rxe6#
    • 1...Sd2
      • 2.Qxc3#
    • 1...Sa3
      • 2.Qxc3#
    • 1...Sc5
      • 2.Qb8#
    • 1...Sf6
      • 2.Bd6#
  • Tries
    • 1.Bf3?
      • threat
        • 2.Qh2#
      • 1...Sd2
        • 2.Qxc3#
      • 1...Bxf3!
    • 1.Qe2+?
      • 1...Re3
        • 2.Qxe3#
      • 1...Bxe2!
    • 1.Qb8+?
      • 1...Rc7
        • 2.Qxc7#
      • 1...Sxb8!
    • 1.exd7?
      • threat
        • 2.Bf6#
      • 1...Be6
        • 2.Rxe6#
      • 1...Bf3!
  • Keys
    • 1.R6a5!
      • threat
        • 2.Re4#
      • 1...Bf3
        • 2.Qh2#
      • 1...Bf5
        • 2.Sf7#
      • 1...Sd2
        • 2.Qxc3#
      • 1...Sc5
        • 2.Qb8#
      • 1...Sf6
        • 2.Bd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 2
  • Sets
    • B(c);SBLOCK::S(H)
    • B(c);OGATE,P_PINP(E),XP(G)::R1(F),XB(c)
    • S(a);N_GUARD::QAB(C),XR(b)
    • S(f);N_GUARD::QAB(C)
    • S(f);SBLOCK::B(I)
  • Tries
    • Try
      • B(A);
      • Threat
        • QAB(C)
      • Vars
        • S(a);N_GUARD::QAB(C),XR(b)
      • Refutation
        • B(c);XB(A)
    • Try
      • Q(C);CHECK,N_PINR(b)
      • Vars
        • R(b);N_GUARD,P_SPINR(b)::QAR2(C),XR(b)
      • Refutation
        • B(c);XQ(C)
    • Try
      • Q(C);CHECK,N_PINR(b)
      • Vars
        • R(b);N_GUARD,P_SPINR(b)::QAB(C),XR(b)
      • Refutation
        • S(f);XQ(C)
    • Try
      • P(G);XS(f)
      • Threat
        • B(I)
      • Vars
        • B(c);N_GUARD,P_PINP(E)::R1(F),XB(c)
      • Refutation
        • B(c);
  • Actual
    • R(F);
    • Threat
      • R1(D)
    • Vars
      • B(c);::QAB(C)
      • B(c);SBLOCK::S(H)
      • S(a);N_GUARD::QAB(C),XR(b)
      • S(f);N_GUARD::QAB(C)
      • S(f);SBLOCK::B(I)
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