MESON Chess Problem Database

Problem Display
PID: 244785 (2q4r/ppNR4/3R2B1/1p6/2k2rn1/B1pN4/P1P1Pnbp/2K3bQ w - - 0 1)

Zalokotsky, Roman Fedorovich (aka Fedorovich, Roman)

Mat, 1975

2q4r/ppNR4/3R2B1/1p6/2k2rn1/B1pN4/P1P1Pnbp/2K3bQ

#2

11 + 13

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Rf3
      • 2.Rd4#
    • 1...Rd4
      • 2.Rxd4#
    • 1...Rf5
      • 2.Rd4#
    • 1...Rf6
      • 2.Rd4#
    • 1...Rf7
      • 2.Rd4#
    • 1...Rff8
      • 2.Rd4#
    • 1...Bf1
      • 2.Qd5#
    • 1...Bh3
      • 2.Qd5#
    • 1...Be4
      • 2.Rd4#
    • 1...Bd5
      • 2.Qxd5#
    • 1...Sxd3+
      • 2.Bxd3#
      • 2.cxd3#
      • 2.exd3#
    • 1...Se3
      • 2.Se5#
    • 1...Se5
      • 2.Sxe5#
    • 1...Sf6
      • 2.Se5#
    • 1...Sh6
      • 2.Se5#
  • Keys
    • 1.Bf7+!
      • 1...Rxf7
        • 2.Rd4#
      • 1...Bd5
        • 2.Qxd5#

FEATURES

  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 12
  • Sets
    • R(g);N_GUARD::R1(H)
    • R(g);N_GUARD::R1(H),XR(g)
    • B(c);OGATE::QAB1(B)
    • B(c);S_CUTR(g)::R1(H)
    • B(c);OGATE::QAB1(B),XB(c)
    • S(h);N_GUARD::S(G)
    • S(h);N_GUARD::S(G),XS(h)
  • Actual
    • B(I);CHECK
    • Vars
      • R(g);XB(I)::R1(H)
      • B(c);OGATE,P_SPINB(c)::QAB1(B),XB(c)
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