MESON Chess Problem Database
Problem Display
PID: 243893 (6B1/8/6b1/2r1n1b1/2PNk1P1/R3nN2/K2p3B/5Qq1 w - - 0 1)
Fleck, Ferenc
Magyar Sakkvilag, 1940
#2
9 + 8
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Sd3
- 2.Qxd3#
- 1...Sxf3
- 2.Qd3#
- 1...Sxc4
- 2.Qd3#
- 1...Sxg4
- 2.Qd3#
- 1...Sc6
- 2.Qd3#
- 1...Sd7
- 2.Qd3#
- 1...Sf7
- 2.Qd3#
- 1...Sd3
- Tries
- 1.Se2?
- threat
- 2.Sc3#
- 2.Sxd2#
- 2.Sxg5#
- 1...Qxh2
- 2.Sxd2#
- 2.Sxg5#
- 1...Qxf1
- 2.Sxd2#
- 2.Sxg5#
- 1...Qxg4
- 2.Sxd2#
- 1...Rxc4
- 2.Sxd2#
- 2.Sxg5#
- 1...Sxf1
- 2.Sxg5#
- 1...S3xc4
- 2.Sxg5#
- 1...S3xg4
- 2.Sxg5#
- 1...S5xc4
- 2.Sc3#
- 1...S5xg4
- 2.Sxd2#
- 1...Qf2
- 2.Sxd2#
- 2.Sxg5#
- 1...d1Q
- 2.Sc3#
- 2.Sxg5#
- 1...d1S
- 2.Sd2#
- 2.Sxg5#
- 1...d1B
- 2.Sc3#
- 2.Sd2#
- 2.Sxg5#
- 1...d1R
- 2.Sc3#
- 2.Sxg5#
- 1...Qg3
- 2.Sxd2#
- 2.Sxg5#
- 1...Rd5
- 2.Sc3#
- 2.Sxg5#
- 1...Bf4
- 2.Sc3#
- 2.Sxd2#
- 1...Bh4
- 2.Sc3#
- 2.Sxd2#
- 1...Bf6
- 2.Sc3#
- 2.Sxd2#
- 1...Bh6
- 2.Sc3#
- 2.Sxd2#
- 1...Be7
- 2.Sc3#
- 2.Sxd2#
- 1...Bd8
- 2.Sc3#
- 2.Sxd2#
- 1...Sd1
- 2.Sxg5#
- 1...Sc2
- 2.Sxg5#
- 1...Sg2
- 2.Sxg5#
- 1...Sd5
- 2.Sxg5#
- 1...Sf5
- 2.Sxg5#
- 1...Sd3
- 2.Sc3#
- 2.Sxd2#
- 1...Sc6
- 2.Sc3#
- 2.Sxd2#
- 1...Sd7
- 2.Sc3#
- 2.Sxd2#
- 1...Sf7
- 2.Sc3#
- 2.Sxd2#
- 1...Sxf3!
- threat
- 1.Sb5?
- threat
- 2.Sxd2#
- 2.Sxg5#
- 2.Sc3#
- 2.Sd6#
- 1...Qxh2
- 2.Sxg5#
- 1...Qxf1
- 2.Sxd2#
- 2.Sxg5#
- 1...Qxg4
- 2.Sxd2#
- 2.Sd6#
- 1...Rxc4
- 2.Sxd2#
- 2.Sxg5#
- 2.Sd6#
- 1...Sxf1
- 2.Sxg5#
- 2.Sd6#
- 1...S3xc4
- 2.Sxg5#
- 1...S3xg4
- 2.Sxg5#
- 2.Sd6#
- 1...Sxf3
- 2.Qd3#
- 1...S5xc4
- 2.Sc3#
- 1...S5xg4
- 2.Sxd2#
- 2.Sd6#
- 1...Qf2
- 2.Sxg5#
- 1...Qg3
- 2.Sxd2#
- 2.Sxg5#
- 1...d1Q
- 2.Sxg5#
- 2.Sc3#
- 1...d1S
- 2.Sd2#
- 2.Sxg5#
- 2.Sd6#
- 1...d1B
- 2.Sd2#
- 2.Sxg5#
- 2.Sc3#
- 2.Sd6#
- 1...d1R
- 2.Sxg5#
- 2.Sc3#
- 1...Qg2
- 2.Sxg5#
- 2.Sc3#
- 2.Sd6#
- 1...Rd5
- 2.Sxg5#
- 2.Sc3#
- 1...Rc6
- 2.Sxd2#
- 2.Sxg5#
- 2.Sc3#
- 1...Bf4
- 2.Sxd2#
- 2.Sc3#
- 2.Sd6#
- 1...Bh4
- 2.Sxd2#
- 2.Sc3#
- 2.Sd6#
- 1...Bf6
- 2.Sxd2#
- 2.Sc3#
- 2.Sd6#
- 1...Bh6
- 2.Sxd2#
- 2.Sc3#
- 2.Sd6#
- 1...Be7
- 2.Sxd2#
- 2.Sc3#
- 1...Bd8
- 2.Sxd2#
- 2.Sc3#
- 2.Sd6#
- 1...Sd1
- 2.Sxg5#
- 2.Sd6#
- 1...Sc2
- 2.Sxg5#
- 2.Sd6#
- 1...Sg2
- 2.Sxg5#
- 2.Sd6#
- 1...Sd5
- 2.Sxg5#
- 2.Sd6#
- 1...Sf5
- 2.Sxg5#
- 1...Sd3
- 2.Sxd2#
- 2.Sc3#
- 2.Sd6#
- 1...Sc6
- 2.Sxd2#
- 2.Sc3#
- 2.Sd6#
- 1...Sd7
- 2.Sxd2#
- 2.Sc3#
- 2.Sd6#
- 1...Sf7
- 2.Sxd2#
- 2.Sc3#
- 1...Rxb5!
- threat
- 1.Se2?
- Keys
- 1.Se6!
- threat
- 2.Sxd2#
- 2.Sfxg5#
- 2.Sxc5#
- 2.Sexg5#
- 1...Qxh2
- 2.Sfxg5#
- 1...Qxf1
- 2.Sxd2#
- 2.Sfxg5#
- 2.Sexg5#
- 1...Qxg4
- 2.Sxd2#
- 1...Rxc4
- 2.Sexg5#
- 1...Sxf1
- 2.Sfxg5#
- 2.Sexg5#
- 1...S3xc4
- 2.Sexg5#
- 1...S3xg4
- 2.Sfxg5#
- 1...Sxf3
- 2.Qd3#
- 1...S5xc4
- 2.Sxc5#
- 1...S5xg4
- 2.Sxd2#
- 1...Qf2
- 2.Sfxg5#
- 2.Sexg5#
- 1...d1Q
- 2.Sfxg5#
- 2.Sxc5#
- 2.Sexg5#
- 1...d1S
- 2.Sd2#
- 2.Sfxg5#
- 2.Sxc5#
- 2.Sexg5#
- 1...d1B
- 2.Sd2#
- 2.Sfxg5#
- 2.Sxc5#
- 2.Sexg5#
- 1...d1R
- 2.Sfxg5#
- 2.Sxc5#
- 2.Sexg5#
- 1...Qg2
- 2.Sfxg5#
- 2.Sxc5#
- 2.Sexg5#
- 1...Qg3
- 2.Sxd2#
- 2.Sfxg5#
- 1...Ra5
- 2.Sxd2#
- 2.Sfxg5#
- 2.Sexg5#
- 1...Rb5
- 2.Sxd2#
- 2.Sfxg5#
- 2.Sexg5#
- 1...Rd5
- 2.Sfxg5#
- 2.Sexg5#
- 1...Rc6
- 2.Sxd2#
- 2.Sfxg5#
- 2.Sexg5#
- 1...Rc7
- 2.Sxd2#
- 2.Sfxg5#
- 2.Sexg5#
- 1...Rc8
- 2.Sxd2#
- 2.Sfxg5#
- 2.Sexg5#
- 1...Bf4
- 2.Sxd2#
- 2.Sxc5#
- 1...Bh4
- 2.Sxd2#
- 2.Sxc5#
- 1...Bf6
- 2.Sxd2#
- 2.Sxc5#
- 1...Bh6
- 2.Sxd2#
- 2.Sxc5#
- 1...Be7
- 2.Sxd2#
- 1...Bd8
- 2.Sxd2#
- 2.Sxc5#
- 1...Sd1
- 2.Sfxg5#
- 2.Sexg5#
- 1...Sc2
- 2.Sfxg5#
- 2.Sexg5#
- 1...Sg2
- 2.Sfxg5#
- 2.Sexg5#
- 1...Sd5
- 2.Sfxg5#
- 2.Sexg5#
- 1...Sf5
- 2.Sfxg5#
- 2.Sexg5#
- 1...Sd3
- 2.Sxd2#
- 1...Sc6
- 2.Sxd2#
- 2.Sxc5#
- 1...Sd7
- 2.Sxd2#
- 1...Sf7
- 2.Sxd2#
- 2.Sxc5#
- threat
- 1.Se6!
This is a version of 16439
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 4
- ADDED MATES = 6
- REMOVED MATES = 2
- Sets
- S(f);N_GUARD::QAB1(A),XS(f)
- S(f);N_GUARD,XS(E)::QAB1(A)
- S(f);N_GUARD,XP(F)::QAB1(A)
- S(f);N_GUARD,XP(H)::QAB1(A)
- S(f);N_GUARD::QAB1(A)
- Tries
- Try
- S(G);
- Threat
- DUALS(3)
- Vars
- Q(a);XP(H)::S(E),XP(b)
- S(c);XQ(A)::S(E),XB(g)
- S(c);XP(F)::S(E),XB(g)
- S(c);XP(H)::S(E),XB(g)
- S(f);XP(F)::S(G)
- S(f);XP(H)::S(E),XP(b)
- S(c);::S(E),XB(g)
- Refutation
- S(f);XS(E)
- Try
- S(G);
- Threat
- DUALS(4)
- Vars
- Q(a);XB(C)::S(E),XB(g)
- S(c);XP(F)::S(E),XB(g)
- S(f);N_GUARD,SBLOCK,XS(E)::QAB1(A)
- S(f);XP(F)::S(G)
- Q(a);::S(E),XB(g)
- S(c);::S(E),XB(g)
- Refutation
- R(e);XS(G)
- Try
- Actual
- S(G);
- Threat
- DUALS(4)
- Vars
- Q(a);XB(C)::S(E),XB(g)
- Q(a);XP(H)::S(E),XP(b)
- R(e);XP(F)::S(G),XB(g)
- S(c);XP(F)::S(G),XB(g)
- S(c);XP(H)::S(E),XB(g)
- S(f);N_GUARD,SBLOCK,XS(E)::QAB1(A)
- S(f);XP(F)::S(G),XR(e)
- S(f);XP(H)::S(E),XP(b)
- B(g);::S(E),XP(b)
- S(f);::S(E),XP(b)
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