MESON Chess Problem Database

Problem Display
PID: 83634 (1B6/2p3K1/3Np3/3Pk3/3pp2R/N2p4/B4P2/4Q2b w - - 0 1)

Ellerman, Arnoldo

O Football, 1935

1B6/2p3K1/3Np3/3Pk3/3pp2R/N2p4/B4P2/4Q2b

#2

9 + 7

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...c5
      • 2.f4#
    • 1...c6
      • 2.f4#
  • Keys
    • 1.Qa5!
      • threat
        • 2.Sac4#
      • 1...Kxd6
        • 2.Qxc7#
      • 1...exd5
        • 2.Qxd5#
      • 1...cxd6
        • 2.dxe6#
      • 1...c5
        • 2.dxc5 ep#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 3
    • REMOVED MATES = 1
  • Sets
    • P(g);::P(C)
  • Actual
    • Q(A);N_PINP(d)
    • Threat
      • S(D)
    • Vars
      • K(e);OGATEB,P_SPINP(g),S_FLIGHT,XS(G)::QAB1(A),XP(g)
      • P(f);OGATE,P_SPINP(f),XP(F)::QAR1(A),XP(f)
      • P(g);N_GUARD,P_SPINP(g),XS(G)::QAR(A)+P(F),XP(f)
      • P(g);OGATE::QAR(A)+P(F),XP(g),EP
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