MESON Chess Problem Database

Problem Display
PID: 96583 (2B5/2p5/2Nk4/p2N3R/3rp3/1bQ5/3P1b2/2K5 w - - 0 1)

Morra, Juan Carlos

Problem (Zagreb), 1951

2B5/2p5/2Nk4/p2N3R/3rp3/1bQ5/3P1b2/2K5

#2

7 + 7

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Rxd5
      • 2.Rh6#
  • Keys
    • 1.Sde7!
      • threat
        • 2.Qc5#
      • 1...Rxd2
        • 2.Qe5#
      • 1...Rd3
        • 2.Qe5#
      • 1...Ra4
        • 2.Qe5#
      • 1...Rb4
        • 2.Qe5#
      • 1...Rc4
        • 2.Rd5#
      • 1...Rd5
        • 2.Rh6#
      • 1...Bc4
        • 2.Qa3#
      • 1...Bd5
        • 2.Sf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
    • R(c);SBLOCK,XS(D)::R(E)
  • Actual
    • S(D);
    • Threat
      • QAB1(C)
    • Vars
      • R(c);OGATE,XP(B)::QAB1(C)
      • R(c);OGATE::QAB1(C)
      • R(c);N_GUARD,P_PINQ(C),S_CUTB(b)::R1(E)
      • R(c);S_CUTB(b)::R(E)
      • B(b);OGATE::QAB(C)
      • B(b);SBLOCK::S(D)
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