MESON Chess Problem Database

Problem Display
PID: 58567 (7Q/1p2Kp2/3P4/3k4/2R1p1n1/1Pp5/3P2R1/1b2r1bB w - - 0 1)

Eaton, Vincent Lanius

The Chess Review, 1936

7Q/1p2Kp2/3P4/3k4/2R1p1n1/1Pp5/3P2R1/1b2r1bB

#2

8 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Re3
      • 2.Qd4#
    • 1...Bh2
      • 2.Qd4#
    • 1...Bd4
      • 2.Qxd4#
    • 1...Sf2
      • 2.Qd4#
    • 1...Se3
      • 2.Qd4#
    • 1...Sf6
      • 2.Rg5#
    • 1...e3
      • 2.Qd4#
  • Keys
    • 1.d4!
      • threat
        • 2.Rc5#
      • 1...exd4 ep+
        • 2.Re2#
      • 1...Bxd4
        • 2.Qxd4#
      • 1...e3
        • 2.Rc2#
      • 1...Se5
        • 2.Qxe5#
      • 1...Sf6
        • 2.Rg5#
      • 1...b6
        • 2.Qa8#
      • 1...f6
        • 2.Qg8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 4
    • REMOVED MATES = 4
  • Sets
    • R(b);S_CUTB(c)::QAR1(H)
    • B(c);N_GUARD::QAR1(H)
    • B(c);N_GUARD::QAR1(H),XB(c)
    • S(f);S_CUTB(c)::QAR1(H)
    • S(f);OGATE::R(C)
    • P(e);S_CUTB(c)::QAR1(H)
  • Actual
    • P(B);
    • Threat
      • R1(E)
    • Vars
      • P(e);CHECK,EP,OGATEB,XP(B)::B(A)+R(C)
      • B(c);OGATE,XP(B)::QAR1(H),XB(c)
      • P(e);OGATEB::B(A)+R(C)
      • S(f);N_GUARD::QAR1(H),XS(f)
      • S(f);OGATE::R(C)
      • P(h);OGATEB::QAB(H)
      • P(i);OGATEB::QAB(H)
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