MESON Chess Problem Database

Problem Display
PID: 240588 (4n3/5Qp1/6P1/1p2k3/1P2P2b/2K3Pn/8/B3R3 w - - 0 1)

Ellerman, Arnoldo

Shakhmaty i Shashki, 1931

4n3/5Qp1/6P1/1p2k3/1P2P2b/2K3Pn/8/B3R3

#2

8 + 6

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Bf6
      • 2.Qd5#
    • 1...Be7
      • 2.Qxe7#
    • 1...Sd6
      • 2.Kc2#
      • 2.Kd2#
      • 2.Kb3#
      • 2.Kd3#
    • 1...Sf6
      • 2.Qe7#
  • Keys
    • 1.Rd1!
      • threat
        • 2.Qf5#
      • 1...Kxe4
        • 2.Re1#
      • 1...Bf6
        • 2.Qd5#
      • 1...Sd6
        • 2.Kd3#
      • 1...Sf6
        • 2.Qe7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • B(b);SBLOCK::QAR1(H)
    • B(b);N_GUARD::QAR2(H),XB(b)
    • S(f);S_CUTB(b)::QAR2(H)
  • Actual
    • R(B);
    • Threat
      • QAR1(H)
    • Vars
      • K(d);OGATEB,P-FLIGHT,XP(F)::R(B)
      • B(b);SBLOCK::QAR1(H)
      • S(f);SBLOCK::B(A)+K(C)
      • S(f);S_CUTB(b)::QAR2(H)
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