MESON Chess Problem Database

Problem Display
PID: 243866 (1Q3K2/3P2p1/2p5/2krpn1p/Pb5r/1B1npN2/3R4/4N3 w - - 0 1)

Fleck, Ferenc

Nepszava, 1928

1Q3K2/3P2p1/2p5/2krpn1p/Pb5r/1B1npN2/3R4/4N3

#2

8 + 11

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Rd6
      • 2.Qa7#
    • 1...Sd4
      • 2.Sxd3#
    • 1...Sd6
      • 2.Qa7#
  • Tries
    • 1.Rc2+?
      • 1...Rc4
        • 2.Rxc4#
      • 1...Bc3!
    • 1.d8Q?
      • threat
        • 2.Qa7#
        • 2.Qdb6#
        • 2.Qbb6#
      • 1...Bxd2
        • 2.Qdb6#
        • 2.Qbb6#
      • 1...Rd7
        • 2.Qdb6#
      • 1...Ba3
        • 2.Qa5#
        • 2.Qdb6#
        • 2.Qbb6#
      • 1...Bc3
        • 2.Qdb6#
        • 2.Qbb6#
      • 1...Ba5
        • 2.Qxa5#
      • 1...Rxd8+!
  • Keys
    • 1.Sg5!
      • threat
        • 2.Se6#
      • 1...Kd4+
        • 2.Qxb4#
      • 1...Rd6
        • 2.Qa7#
      • 1...Sf4
        • 2.Se4#
      • 1...Sd4
        • 2.Sxd3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • R(f);SBLOCK::QAB(G)
    • S(h);S_CUTR(f)::S(A),XS(a)
    • S(h);SBLOCK::QAB(G)
  • Tries
    • Try
      • R(B);CHECK
      • Vars
        • R(d);N_GUARD,P_SPINR(d)::R1(B),XR(d)
      • Refutation
        • B(c);P_SPINB(c)
    • Try
      • P(F);
      • Threat
        • DUALS(3)
      • Vars
        • R(f);::QAB1(F)
        • B(c);N_GUARD::QAR2(F),XB(c)
      • Refutation
        • R(f);CHECK,XQ(F)
  • Actual
    • S(D);
    • Threat
      • S(D)
    • Vars
      • K(e);CHECK,P_SPINS(a),S_FLIGHT::QAR2(G),XB(c)
      • R(f);SBLOCK::QAB(G)
      • S(a);S_CUTR(d)::S(D)
      • S(h);SBLOCK,S_CUTR(f)::S(A),XS(a)
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Developed and maintained by Brian Stephenson.
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