MESON Chess Problem Database

Problem Display
PID: 103130 (Rb6/6Q1/KN2kp2/2Pr1p2/3pr3/6BN/8/8 w - - 0 1)

Maillard, Richard

Bulletin de la FFE, 1935

Rb6/6Q1/KN2kp2/2Pr1p2/3pr3/6BN/8/8

#2

7 + 7

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Ree5
      • 2.Sf4#
    • 1...Rxc5
      • 2.Qd7#
    • 1...Rde5
      • 2.Qd7#
    • 1...Rd7
      • 2.Qxd7#
    • 1...Bxg3
      • 2.Re8#
    • 1...Bf4
      • 2.Re8#
    • 1...Be5
      • 2.Re8#
    • 1...Bd6
      • 2.Qd7#
    • 1...Ba7
      • 2.Re8#
    • 1...Bc7
      • 2.Re8#
  • Tries
    • 1.Sf4+?
      • 1...Ke5
        • 2.Sc4#
        • 2.Qe7#
      • 1...Bxf4
        • 2.Re8#
      • 1...Rxf4!
    • 1.Bh4?
      • threat
        • 2.Qxf6#
      • 1...Ke5
        • 2.Qxf6#
        • 2.Qe7#
      • 1...Be5
        • 2.Re8#
      • 1...Rxh4!
  • Keys
    • 1.Be5!
      • threat
        • 2.Qxf6#
      • 1...Kxe5
        • 2.Qe7#
      • 1...Rexe5
        • 2.Sf4#
      • 1...Rdxe5
        • 2.Qd7#
      • 1...Bxe5
        • 2.Re8#
      • 1...fxe5
        • 2.Sg5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 7
  • Sets
    • R(b);N_GUARD,SBLOCK,S_CUTB(g)::S(B)
    • R(c);N_GUARD,XP(C)::QAB1(F)
    • R(c);N_GUARD::QAB1(F)
    • R(c);N_GUARD::QAB1(F),XR(c)
    • B(g);OGATE,XB(A)::R(G)
    • B(g);OGATE::R(G)
    • B(g);S_CUTR(c)::QAB1(F)
  • Tries
    • Try
      • S(B);CHECK
      • Vars
        • B(g);OGATE,XS(B)::R(G)
      • Refutation
        • R(b);XS(B)
    • Try
      • B(A);
      • Threat
        • QAR1(F),XP(f)
      • Vars
        • B(g);OGATE,SBLOCK::R(G)
      • Refutation
        • R(b);XB(A)
  • Actual
    • B(A);
    • Threat
      • QAR1(F),XP(f)
    • Vars
      • K(e);P-FLIGHT,P_SPINP(f),XB(A)::QAR2(F)
      • R(b);N_GUARD,SBLOCK,XB(A)::S(B)
      • R(c);N_GUARD,SBLOCK,XB(A)::QAB1(F)
      • B(g);OGATE,SBLOCK,XB(A)::R(G)
      • P(f);N_GUARD,XB(A)::S(B)
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