MESON Chess Problem Database

Problem Display
PID: 15312 (3N2nq/1p3B2/7p/1K2k3/1Q5N/B1p4p/2p5/b5Rr w - - 0 1)

Lobusov, Andrey Jakovlevic

Hlas l'udu, 1982

(First published on Thu Dec 16 1982)

3N2nq/1p3B2/7p/1K2k3/1Q5N/B1p4p/2p5/b5Rr

#2

7 + 10

3752 FIDE Album (1980-1982) 1988

SOLUTION

  • SOUND
  • Sets
    • 1...Kf6
      • 2.Qd6#
      • 2.Qd4#
      • 2.Qf4#
  • Tries
    • 1.Sf3+?
      • 1...Kf6
        • 2.Qf4#
      • 1...Kf5!
    • 1.Sg6+?
      • 1...Kf5
        • 2.Qf4#
      • 1...Kf6!
    • 1.Sc6+?
      • 1...Kf6
        • 2.Qf4#
      • 1...bxc6+!
    • 1.Se6?
      • threat
        • 2.Qd4#
      • 1...Kf6
        • 2.Qf4#
      • 1...Kd5!
    • 1.Bc1?
      • threat
        • 2.Qf4#
      • 1...Kf6
        • 2.Qd6#
      • 1...Qf6!
    • 1.Rg4?
      • threat
        • 2.Qd6#
        • 2.Qd4#
        • 2.Qf4#
      • 1...Kf6
        • 2.Qd6#
        • 2.Qd4#
        • 2.Qf4#
      • 1...c1Q
        • 2.Qd6#
        • 2.Qd4#
      • 1...c1B
        • 2.Qd6#
        • 2.Qd4#
      • 1...Qf6
        • 2.Re4#
        • 2.Qc5#
        • 2.Qd4#
        • 2.Qe4#
      • 1...Rd1
        • 2.Qf4#
      • 1...Rf1
        • 2.Qd6#
        • 2.Qd4#
      • 1...Rb1!
    • 1.Rg5+?
      • 1...Kf6
        • 2.Qf4#
      • 1...hxg5!
    • 1.Qe4+?
      • 1...Kf6
        • 2.Rg6#
        • 2.Qf5#
        • 2.Qd4#
        • 2.Qf4#
        • 2.Qe6#
      • 1...Kxe4!
  • Keys
    • 1.Bg6!
      • threat
        • 2.Qd6#
      • 1...Kd5
        • 2.Qc5#
        • 2.Qd6#
        • 2.Qe4#
      • 1...Kf6
        • 2.Qd4#
      • 1...Qf6
        • 2.Qe4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(D);CHECK
      • Vars
        • K(f);S_FLIGHT::QAR2(C)
      • Refutation
        • K(f);P-FLIGHT
    • Try
      • S(D);CHECK
      • Vars
        • K(f);P-FLIGHT::QAR1(C)
      • Refutation
        • K(f);S_FLIGHT
    • Try
      • S(G);CHECK
      • Vars
        • K(f);S_FLIGHT::QAR2(C)
      • Refutation
        • P(h);CHECK,XS(G)
    • Try
      • S(G);
      • Threat
        • QAB1(C)
      • Vars
        • K(f);S_FLIGHT::QAR2(C)
      • Refutation
        • K(f);P-FLIGHT
    • Try
      • B(B);
      • Threat
        • QAB1(C)
      • Vars
        • K(f);S_FLIGHT::QAR2(C)
      • Refutation
        • Q(j);
    • Try
      • R(A);
      • Threat
        • DUALS(3)
      • Vars
        • R(b);::QAB1(C)
      • Refutation
        • R(b);P_PINQ(C)
    • Try
      • R(A);CHECK
      • Vars
        • K(f);S_FLIGHT::QAR2(C)
      • Refutation
        • P(g);XR(A)
    • Try
      • Q(C);CHECK
      • Refutation
        • K(f);P-FLIGHT,XQ(C)
  • Actual
    • B(F);
    • Threat
      • QAB1(C)
    • Vars
      • K(f);S_FLIGHT::QAB(C)
      • Q(j);SBLOCK::QAR1(C)
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