MESON Chess Problem Database
Problem Display
PID: 106234 (8/N2PBB2/R3N1q1/1p1pk1P1/3nnpP1/2p2Q2/6Kb/3R4 w - - 0 1)
Lacny, Ludovit
Praca, 1954
#2
11 + 9
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Bg1
- 2.Qxf4#
- 1...Sc2
- 2.Sc6#
- 1...Se2
- 2.Sc6#
- 1...Sb3
- 2.Sc6#
- 1...Sxf3
- 2.Sc6#
- 1...Sf5
- 2.Sc6#
- 1...Sc6
- 2.Sxc6#
- 1...Sxe6
- 2.Sc6#
- 1...Sd2
- 2.Bd6#
- 1...Sf2
- 2.Bd6#
- 1...Sg3
- 2.Bd6#
- 2.Qxf4#
- 1...Sc5
- 2.Bd6#
- 1...Sd6
- 2.Bxd6#
- 1...Sf6
- 2.Bd6#
- 1...Bg1
- Tries
- 1.Sxf4?
- threat
- 2.Sd3#
- 2.Sxg6#
- 1...Qxf7
- 2.Sd3#
- 1...Qxg5
- 2.Sd3#
- 1...Qxa6
- 2.Sd3#
- 1...Sxf3
- 2.Sxg6#
- 1...Sxg5
- 2.Sxg6#
- 1...Qf5
- 2.Sd3#
- 1...Qh5
- 2.Sd3#
- 1...Qh7
- 2.Sd3#
- 1...Qb6
- 2.Sd3#
- 1...Qc6
- 2.Sd3#
- 1...Qd6
- 2.Sd3#
- 1...Qe6
- 2.Sd3#
- 1...Qf6
- 2.Sd3#
- 1...Qh6
- 2.Sd3#
- 1...Qg7
- 2.Sd3#
- 1...Qg8
- 2.Sd3#
- 1...Sc2
- 2.Sxg6#
- 2.Rxd5#
- 1...Se2
- 2.Sxg6#
- 2.Rxd5#
- 1...Sb3
- 2.Sxg6#
- 2.Rxd5#
- 1...Sf5
- 2.Sxg6#
- 2.Rxd5#
- 1...Sc6
- 2.Sxg6#
- 2.Rxd5#
- 1...Se6
- 2.Sxg6#
- 2.Sc6#
- 2.Rxd5#
- 1...Sd2
- 2.Sxg6#
- 1...Sf2
- 2.Sxg6#
- 1...Sg3
- 2.Sxg6#
- 1...Sc5
- 2.Sxg6#
- 1...Sd6
- 2.Sxg6#
- 1...Sf6
- 2.Sxg6#
- 2.Bd6#
- 1...Bxf4!
- threat
- 1.Bc5?
- threat
- 2.Bxd4#
- 1...Sxf3
- 2.Sc6#
- 1...Sxe6
- 2.Sc6#
- 1...Bg1
- 2.Qxf4#
- 1...Sc2
- 2.Sc6#
- 1...Se2
- 2.Sc6#
- 1...Sb3
- 2.Sc6#
- 1...Sf5
- 2.Sc6#
- 1...Sc6
- 2.Sxc6#
- 1...Sxc5!
- threat
- 1.Sxf4?
- Keys
- 1.Sc5!
- threat
- 2.Sd3#
- 1...Sxf3
- 2.Rxd5#
- 1...Sxc5
- 2.Qxd5#
- 1...Sxg5
- 2.Qxd5#
- 1...Sc2
- 2.Rxd5#
- 1...Se2
- 2.Rxd5#
- 1...Sb3
- 2.Rxd5#
- 1...Sf5
- 2.Rxd5#
- 1...Sc6
- 2.Rxd5#
- 1...Se6
- 2.Sc6#
- 1...Sd2
- 2.Qxd5#
- 1...Sf2
- 2.Qxd5#
- 1...Sg3
- 2.Qxd5#
- 1...Sd6
- 2.Qxd5#
- 1...Sf6
- 2.Bd6#
- threat
- 1.Sc5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 10
- ADDED MATES = 2
- REMOVED MATES = 1
- Sets
- B(a);N_GUARD::QAB1(C),XP(e)
- S(c);N_GUARD::S(H)
- S(c);N_GUARD,XQ(C)::S(H)
- S(c);N_GUARD::S(H),XS(c)
- S(c);N_GUARD,XS(G)::S(H)
- S(d);N_GUARD::B(J)
- S(d);N_GUARD::B(J),XS(d)
- Tries
- Try
- S(G);XP(e)
- Threat
- DUALS(2)
- Vars
- Q(i);XB(K)::S(G)
- Q(i);P_PINP(D),XP(E)::S(G)
- Q(i);XR(F)::S(G)
- S(c);XQ(C)::S(G),XQ(i)
- S(d);XP(E)::S(G),XQ(i)
- Q(i);::S(G)
- S(d);::S(G),XQ(i)
- Refutation
- B(a);XS(G)
- Try
- B(J);
- Threat
- B(J),XS(c)
- Vars
- S(c);N_GUARD,XQ(C)::S(H)
- S(c);N_GUARD,XS(G)::S(H)
- B(a);N_GUARD::QAB1(C),XP(e)
- S(c);N_GUARD::S(H)
- S(c);N_GUARD::S(H),XS(c)
- Refutation
- S(d);XB(J)
- Try
- Actual
- S(G);
- Threat
- S(G)
- Vars
- S(c);OGATE,XQ(C)::R1(A),XP(g)
- S(d);OGATE,XS(G)::QAR1(C),XP(g)
- S(d);OGATE,XP(E)::QAR1(C),XP(g)
- S(c);OGATE::R1(A),XP(g)
- S(c);N_GUARD,S_CUTQ(i)::S(H)
- S(d);OGATE::QAR1(C),XP(g)
- S(d);N_GUARD,S_CUTQ(i)::B(J)
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