MESON Chess Problem Database

Problem Display
PID: 243864 (1Br5/4Prp1/2p1B1b1/6Rp/3k2P1/1pNp2nq/1K1Q4/3R4 w - - 0 1)

Fleck, Ferenc

Nepszava, 1927

1Br5/4Prp1/2p1B1b1/6Rp/3k2P1/1pNp2nq/1K1Q4/3R4

#2

9 + 11

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Rf2
      • 2.Qxf2#
    • 1...Rxe7
      • 2.Qf2#
    • 1...Bf5
      • 2.Qf2#
    • 1...Se4
      • 2.Se2#
    • 1...c5
      • 2.Be5#
  • Tries
    • 1.Se2+?
      • 1...Ke4
        • 2.Qxd3#
      • 1...Sxe2!
    • 1.Sb5+?
      • 1...Ke4
        • 2.Qxd3#
      • 1...cxb5!
  • Keys
    • 1.Bd6!
      • threat
        • 2.Bc5#
      • 1...Rf5
        • 2.Qxd3#
      • 1...Bf5
        • 2.Qf2#
      • 1...Se4
        • 2.Se2#
      • 1...Sf5
        • 2.Qf4#
      • 1...c5
        • 2.Be5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 2
  • Sets
    • R(i);N_GUARD,P_PINQ(C)::QAB(C),XR(i)
    • R(i);N_GUARD,XP(H)::QAB(C)
    • B(h);S_CUTR(i)::QAB(C)
    • S(c);N_GUARD,SBLOCK::S(D)
    • P(g);SBLOCK::B(I)
  • Tries
    • Try
      • S(D);CHECK
      • Vars
        • K(e);N_SPINP(b),P-FLIGHT::QAB1(C),XP(b)
      • Refutation
        • S(c);XS(D)
    • Try
      • S(D);CHECK
      • Vars
        • K(e);N_SPINP(b),P-FLIGHT::QAB1(C),XP(b)
      • Refutation
        • P(g);XS(D)
  • Actual
    • B(I);
    • Threat
      • B(I)
    • Vars
      • R(i);S_CUTB(h)::QAR1(C),XP(b)
      • B(h);S_CUTR(i)::QAB(C)
      • S(c);N_GUARD,SBLOCK::S(D)
      • S(c);N_GUARD,S_CUTB(h),S_CUTR(i)::QAR2(C)
      • P(g);SBLOCK::B(I)
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