MESON Chess Problem Database

Problem Display
PID: 175101 (8/1p1p4/1K3n2/2Pk1b2/1n2RP2/2prp3/4N3/7Q w - - 0 1)

Jewetsky, Feodor Orestovich

Shakhmatnoe obozrenie, 1902

8/1p1p4/1K3n2/2Pk1b2/1n2RP2/2prp3/4N3/7Q

#2

6 + 9

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Rd1
      • 2.Sxc3#
    • 1...Rd2
      • 2.Sxc3#
    • 1...Be6
      • 2.Rd4#
  • Keys
    • 1.Qd1!
      • threat
        • 2.Sxc3#
      • 1...Kxe4
        • 2.Qh1#
      • 1...Bxe4
        • 2.Qb3#
      • 1...Sxe4
        • 2.Qb3#
      • 1...Rd4
        • 2.Qxd4#
      • 1...Sa2
        • 2.Qxd3#
      • 1...c2
        • 2.Sc3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 3
  • Sets
    • R(b);N_GUARD::S(B),XP(a)
    • B(f);SBLOCK::QAB(A)+R(C),DCHECK
  • Actual
    • Q(A);P_PINR(b)
    • Threat
      • S(B),XP(a)
    • Vars
      • K(e);N_SPINR(b),OGATEB,S_FLIGHT,XR(C)::QAB(A)
      • B(f);SBLOCK,XR(C)::QAB(A)
      • S(g);SBLOCK,XR(C)::QAB(A)
      • R(b);OGATE::QAR1(A),XR(b)
      • S(d);N_GUARD::QAR2(A),XR(b)
      • P(a);::S(B)
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