MESON Chess Problem Database

Problem Display
PID: 96396 (B6K/8/3Q2p1/1N2p3/1r2Nn1R/1r2knB1/2Pp1R2/b2b4 w - - 0 1)

Fleck, Ferenc

The Chess Problem, 1948

B6K/8/3Q2p1/1N2p3/1r2Nn1R/1r2knB1/2Pp1R2/b2b4

#2

9 + 10

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Se1
      • 2.Qxd2#
    • 1...Sg1
      • 2.Qxd2#
    • 1...Sh2
      • 2.Qxd2#
    • 1...Sxh4
      • 2.Qxd2#
    • 1...Sg5
      • 2.Qxd2#
  • Tries
    • 1.Re2+?
      • 1...Bxe2
        • 2.Bf2#
      • 1...Sxe2
        • 2.Bf2#
      • 1...Kxe2!
  • Keys
    • 1.Sf6!
      • threat
        • 2.Sg4#
      • 1...Sxh4
        • 2.Qxd2#
      • 1...Se1
        • 2.Qxd2#
      • 1...Sg1
        • 2.Qxd2#
      • 1...Sh2
        • 2.Qxd2#
      • 1...Sd4
        • 2.Qxe5#
      • 1...Sg5
        • 2.Qxd2#
      • 1...Se2
        • 2.Sd5#
        • 2.Rxf3#
      • 1...Sg2
        • 2.Sd5#
      • 1...Sd3
        • 2.Sd5#
      • 1...Sh3
        • 2.Sd5#
      • 1...Sd5
        • 2.Sxd5#
      • 1...Sh5
        • 2.Sd5#
      • 1...Se6
        • 2.Sd5#
      • 1...e4
        • 2.Qxf4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
    • S(f);N_GUARD::QAB1(G),XP(c)
    • S(f);N_GUARD,XR(E)::QAB1(G),XP(c)
  • Tries
    • Try
      • R(B);CHECK
      • Vars
        • B(b);SBLOCK,XR(B)::B(C)
        • S(h);SBLOCK,XR(B)::B(C)
      • Refutation
        • K(e);P-FLIGHT,XR(B)
  • Actual
    • S(D);
    • Threat
      • S(D)
    • Vars
      • S(f);N_GUARD,XR(E)::QAB1(G),XP(c)
      • S(f);N_GUARD::QAB1(G),XP(c)
      • S(f);N_GUARD,S_CUTB(a),S_CUTR(g)::QAR2(G),XP(i)
      • S(h);N_GUARD::S(D)
      • S(h);N_GUARD::S(D),XS(h)
      • P(i);OGATE,P_PINS(D)::QAB1(G),XS(h)
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