MESON Chess Problem Database

Problem Display
PID: 243270 (1bR5/3Np1K1/1Np1kpp1/r3P3/2P3P1/2pR4/B1Q5/3b4 w - - 0 1)

Aliovsadzade, Rauf Gadzhiaga ogli

2nd HM., ChessStar, 2017

1bR5/3Np1K1/1Np1kpp1/r3P3/2P3P1/2pR4/B1Q5/3b4

#2

10 + 9

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Rb5
      • 2.cxb5#
    • 1...Rxe5
      • 2.Sf8#
    • 1...Bxe5
      • 2.Sf8#
    • 1...Ba7
      • 2.Rxc6#
    • 1...fxe5
      • 2.Sf8#
  • Tries
    • 1.Sc5+?
      • 1...Kxe5
        • 2.Qh2#
      • 1...Rxc5!
    • 1.Rd6+?
      • 1...exd6
        • 2.Re8#
      • 1...Bxd6!
  • Keys
    • 1.Re3!
      • threat
        • 2.Sf8#
      • 1...Rxe5
        • 2.c5#
      • 1...Bxe5
        • 2.Rxc6#
      • 1...fxe5
        • 2.Qxg6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 3
    • ADDED MATES = 0
    • REMOVED MATES = 2
  • Sets
    • R(c);OGATE::B(A)+P(D),XR(c)
    • R(c);SBLOCK,XP(F)::S(H)
    • B(i);SBLOCK,XP(F)::S(H)
    • B(i);N_GUARD::R(J),XP(d)
    • P(f);SBLOCK,XP(F)::S(H)
  • Tries
    • Try
      • S(H);CHECK
      • Vars
        • K(e);P-FLIGHT,XP(F)::QAB(B)
      • Refutation
        • R(c);XS(H)
    • Try
      • R(C);CHECK
      • Vars
        • P(h);S_CUTB(i),XR(C)::R(J)
      • Refutation
        • B(i);XR(C)
  • Actual
    • R(C);
    • Threat
      • S(H)
    • Vars
      • R(c);N_GUARD,P_SPINR(c),XP(F)::B(A)+P(D)
      • B(i);N_GUARD,P_SPINB(i),XP(F)::R(J),XP(d)
      • P(f);OGATEB,P_SPINP(f),XP(F)::QAR2(B),XP(g)
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