MESON Chess Problem Database

Problem Display
PID: 246358 (2q4b/8/1Q6/r1P1n3/r1b3p1/p1RP1p2/2PR1P2/KNk5 w - - 0 1)

Erokhin, Vladimir Alekseevich

Shakhmatnaya Poeziya, 1998

2q4b/8/1Q6/r1P1n3/r1b3p1/p1RP1p2/2PR1P2/KNk5

#2

9 + 10

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Bb3
      • 2.cxb3#
    • 1...Bxd3
      • 2.cxd3#
    • 1...a2
      • 2.Qb2#
  • Keys
    • 1.Qh6!
      • threat
        • 2.Qh1#
      • 1...Bxd3
        • 2.cxd3#
      • 1...Sxd3
        • 2.Rxd3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 2
  • Sets
    • B(e);OGATE::R(F)+P(C),XB(e)
    • B(e);OGATE,XP(G)::R(F)+P(C),XB(e)
    • P(b);N_GUARD::QAB1(I)
  • Actual
    • Q(I);
    • Threat
      • QAR(I)
    • Vars
      • B(e);OGATE,XP(G)::R(F)+P(C),XB(e)
      • S(h);OGATE,P_PINR(F),XP(G)::QAB(I)+R(D),XS(h)
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