MESON Chess Problem Database
Problem Display
PID: 40705 (4R3/4N3/4p3/1p2bp2/1Pp2R1P/2p1kB2/2pnn2P/K1BbNQ2 w - - 0 1)
Lacny, Ludovit
3rd Prize, SVTVS, 1954
#2
11 + 11
| 3105 | FIDE Album (1945-1955) | 1964 |
SOLUTION
- SOUND
- Sets
- 1...Kxf4
- 2.Sg2#
- 1...Bd4
- 2.Sd5#
- 1...Bxf4
- 2.Sxf5#
- 1...Bd6
- 2.Sd5#
- 1...Bf6
- 2.Sd5#
- 1...Bc7
- 2.Sd5#
- 1...Bg7
- 2.Sd5#
- 1...Bb8
- 2.Sd5#
- 1...Bh8
- 2.Sd5#
- 1...Sxc1
- 2.Sg2#
- 1...Sg1
- 2.Sg2#
- 1...Sg3
- 2.Sg2#
- 1...Sd4
- 2.Sg2#
- 1...Sxf4
- 2.Qg1#
- 1...Kxf4
- Tries
- 1.Ka2?
- 1...Kxf4
- 2.Sg2#
- 1...Bxf4
- 2.Sxf5#
- 1...Sxf4
- 2.Qg1#
- 1...Bd4
- 2.Sd5#
- 1...Bd6
- 2.Sd5#
- 1...Bf6
- 2.Sd5#
- 1...Bc7
- 2.Sd5#
- 1...Bg7
- 2.Sd5#
- 1...Bb8
- 2.Sd5#
- 1...Bh8
- 2.Sd5#
- 1...Sg1
- 2.Sg2#
- 1...Sg3
- 2.Sg2#
- 1...Sd4
- 2.Sg2#
- 1...Sxc1+!
- 1...Kxf4
- 1.Bh1?
- threat
- 2.Qf2#
- 2.Qf3#
- 1...Bxf4
- 2.Sxf5#
- 1...Sxc1
- 2.Sg2#
- 2.Qf2#
- 1...Sg1
- 2.Sg2#
- 2.Qf2#
- 1...Sg3
- 2.Sg2#
- 2.Qf2#
- 1...Sd4
- 2.Sg2#
- 2.Qf2#
- 1...Sxf4!
- threat
- 1.Bxe2?
- threat
- 2.Sg2#
- 2.Qf2#
- 2.Qf3#
- 1...Bxe2
- 2.Qf2#
- 1...Bxf4!
- threat
- 1.Bg2?
- threat
- 2.Qf2#
- 2.Qf3#
- 1...Bxf4
- 2.Sxf5#
- 1...Sxc1
- 2.Qf2#
- 1...Sg1
- 2.Qf2#
- 1...Sg3
- 2.Qf2#
- 1...Sd4
- 2.Qf2#
- 1...Sxf4!
- threat
- 1.Bd5?
- threat
- 2.Qf2#
- 2.Qf3#
- 1...Bxf4
- 2.Sxf5#
- 1...Sxc1
- 2.Sg2#
- 2.Qf2#
- 1...Sg1
- 2.Sg2#
- 2.Qf2#
- 1...Sg3
- 2.Sg2#
- 2.Qf2#
- 1...Sd4
- 2.Sg2#
- 2.Qf2#
- 1...Sxf4!
- threat
- 1.Bc6?
- threat
- 2.Qf2#
- 2.Qf3#
- 1...Bxf4
- 2.Sxf5#
- 1...Sxc1
- 2.Sg2#
- 2.Qf2#
- 1...Sg1
- 2.Sg2#
- 2.Qf2#
- 1...Sg3
- 2.Sg2#
- 2.Qf2#
- 1...Sd4
- 2.Sg2#
- 2.Qf2#
- 1...Sxf4!
- threat
- 1.Bb7?
- threat
- 2.Qf2#
- 2.Qf3#
- 1...Bxf4
- 2.Sxf5#
- 1...Sxc1
- 2.Sg2#
- 2.Qf2#
- 1...Sg1
- 2.Sg2#
- 2.Qf2#
- 1...Sg3
- 2.Sg2#
- 2.Qf2#
- 1...Sd4
- 2.Sg2#
- 2.Qf2#
- 1...Sxf4!
- threat
- 1.Ba8?
- threat
- 2.Qf2#
- 2.Qf3#
- 1...Bxf4
- 2.Sxf5#
- 1...Sxc1
- 2.Sg2#
- 2.Qf2#
- 1...Sg1
- 2.Sg2#
- 2.Qf2#
- 1...Sg3
- 2.Sg2#
- 2.Qf2#
- 1...Sd4
- 2.Sg2#
- 2.Qf2#
- 1...Sxf4!
- threat
- 1.Rxc4?
- 1...Bxh2
- 2.Sd5#
- 2.Sxf5#
- 1...Sxc1
- 2.Sg2#
- 2.Qg1#
- 1...Bd4
- 2.Sd5#
- 1...Sd4
- 2.Sg2#
- 1...Bg3
- 2.Sd5#
- 2.Sxf5#
- 1...Bf4
- 2.Sd5#
- 2.Sxf5#
- 1...Bd6
- 2.Sd5#
- 2.Sxf5#
- 1...Bf6
- 2.Sd5#
- 2.Sxf5#
- 1...Bc7
- 2.Sd5#
- 2.Sxf5#
- 1...Bg7
- 2.Sd5#
- 2.Sxf5#
- 1...Bb8
- 2.Sd5#
- 2.Sxf5#
- 1...Bh8
- 2.Sd5#
- 2.Sxf5#
- 1...Sg1
- 2.Sg2#
- 2.Qxg1#
- 1...Sg3
- 2.Sg2#
- 2.Qg1#
- 1...Sf4
- 2.Qg1#
- 1...f4
- 2.Re4#
- 1...bxc4!
- 1...Bxh2
- 1.Qxe2+?
- 1...Kxf4
- 2.Sg2#
- 2.Sg6#
- 1...Bxe2!
- 1...Kxf4
- 1.Qg1+?
- 1...Kxf4
- 2.Sg6#
- 2.Qg5#
- 1...Sxg1!
- 1...Kxf4
- 1.Qf2+?
- 1...Kxf4
- 2.Sg2#
- 2.Sg6#
- 1...Kxf2!
- 1...Kxf4
- 1.h3?
- 1...Bxf4
- 2.Sxf5#
- 1...Sxc1
- 2.Sg2#
- 1...Sxf4
- 2.Qg1#
- 1...Bd4
- 2.Sd5#
- 1...Bd6
- 2.Sd5#
- 1...Bf6
- 2.Sd5#
- 1...Bc7
- 2.Sd5#
- 1...Bg7
- 2.Sd5#
- 1...Bb8
- 2.Sd5#
- 1...Bh8
- 2.Sd5#
- 1...Sg1
- 2.Sg2#
- 1...Sg3
- 2.Sg2#
- 1...Sd4
- 2.Sg2#
- 1...Kxf4!
- 1...Bxf4
- 1.h5?
- 1...Bxf4
- 2.Sxf5#
- 1...Sxc1
- 2.Sg2#
- 1...Sxf4
- 2.Qg1#
- 1...Bd4
- 2.Sd5#
- 1...Bd6
- 2.Sd5#
- 1...Bf6
- 2.Sd5#
- 1...Bc7
- 2.Sd5#
- 1...Bg7
- 2.Sd5#
- 1...Bb8
- 2.Sd5#
- 1...Bh8
- 2.Sd5#
- 1...Sg1
- 2.Sg2#
- 1...Sg3
- 2.Sg2#
- 1...Sd4
- 2.Sg2#
- 1...Kxf4!
- 1...Bxf4
- 1.Ka2?
- Keys
- 1.Rd4!
- 1...Kxd4
- 2.Qf2#
- 1...Bxh2
- 2.Sxf5#
- 1...Bxd4
- 2.Sd5#
- 1...Sxc1
- 2.Qg1#
- 1...Sxd4
- 2.Sg2#
- 1...Bg3
- 2.Sxf5#
- 1...Bf4
- 2.Sxf5#
- 1...Bd6
- 2.Sxf5#
- 1...Bf6
- 2.Sxf5#
- 1...Bc7
- 2.Sxf5#
- 1...Bg7
- 2.Sxf5#
- 1...Bb8
- 2.Sxf5#
- 1...Bh8
- 2.Sxf5#
- 1...Sg1
- 2.Qxg1#
- 1...Sg3
- 2.Qg1#
- 1...Sf4
- 2.Qg1#
- 1...f4
- 2.Re4#
- 1...Kxd4
- 1.Rd4!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 9
- ADDED MATES = 4
- REMOVED MATES = 1
- Sets
- K(f);S_FLIGHT,XR(H)::S(C)
- B(i);S_CUTP(k)::S(J)
- B(i);SBLOCK,S_CUTP(k),XR(H)::S(J),XP(j)
- S(d);N_SPINS(c),XB(B)::S(C)
- S(d);::S(C)
- S(d);N_GUARD,SBLOCK,XR(H)::QAB(D)
- Tries
- Try
- K(A);P-FLIGHT
- Vars
- K(f);S_FLIGHT,XR(H)::S(C)
- B(i);SBLOCK,S_CUTP(k),XR(H)::S(J),XP(j)
- S(d);N_GUARD,SBLOCK,XR(H)::QAB(D)
- B(i);S_CUTP(k)::S(J)
- S(d);::S(C)
- Refutation
- S(d);CHECK,N_SPINS(c),XB(B)
- Try
- B(F);
- Threat
- DUALS(2)
- Vars
- B(i);S_CUTP(k),XR(H)::S(J),XP(j)
- Refutation
- S(d);XR(H)
- Try
- B(F);XS(d)
- Threat
- DUALS(3)
- Vars
- B(a);XB(F)::QAB1(D)
- Refutation
- B(i);XR(H)
- Try
- B(F);
- Threat
- DUALS(2)
- Vars
- B(i);S_CUTP(k),XR(H)::S(J),XP(j)
- S(d);N_SPINS(c),XB(B)::QAB1(D)
- S(d);::QAB1(D)
- Refutation
- S(d);XR(H)
- Try
- B(F);
- Threat
- DUALS(2)
- Vars
- B(i);S_CUTP(k),XR(H)::S(J),XP(j)
- Refutation
- S(d);XR(H)
- Try
- B(F);
- Threat
- DUALS(2)
- Vars
- B(i);S_CUTP(k),XR(H)::S(J),XP(j)
- Refutation
- S(d);XR(H)
- Try
- B(F);
- Threat
- DUALS(2)
- Vars
- B(i);S_CUTP(k),XR(H)::S(J),XP(j)
- Refutation
- S(d);XR(H)
- Try
- B(F);
- Threat
- DUALS(2)
- Vars
- B(i);S_CUTP(k),XR(H)::S(J),XP(j)
- Refutation
- S(d);XR(H)
- Try
- R(H);XP(g)
- Vars
- B(i);S_CUTP(k)::S(J)
- S(d);::S(C)
- S(d);N_GUARD::QAB(D)
- P(j);N_GUARD::R1(H)
- Refutation
- P(h);XR(H)
- Try
- Q(D);CHECK,XS(d)
- Refutation
- B(a);XQ(D)
- Try
- Q(D);CHECK
- Refutation
- S(d);XQ(D)
- Try
- Q(D);CHECK
- Refutation
- K(f);N_SPINS(c),S_FLIGHT,XQ(D)
- Try
- P(E);
- Vars
- B(i);SBLOCK,S_CUTP(k),XR(H)::S(J),XP(j)
- S(d);N_SPINS(c),XB(B)::S(C)
- S(d);N_GUARD,SBLOCK,XR(H)::QAB(D)
- B(i);S_CUTP(k)::S(J)
- S(d);::S(C)
- Refutation
- K(f);S_FLIGHT,XR(H)
- Try
- P(I);
- Vars
- B(i);SBLOCK,S_CUTP(k),XR(H)::S(J),XP(j)
- S(d);N_SPINS(c),XB(B)::S(C)
- S(d);N_GUARD,SBLOCK,XR(H)::QAB(D)
- B(i);S_CUTP(k)::S(J)
- S(d);::S(C)
- Refutation
- K(f);S_FLIGHT,XR(H)
- Try
- Actual
- R(H);
- Vars
- K(f);N_SPINS(c),S_FLIGHT,XR(H)::QAB(D)
- B(i);S_CUTP(k),XP(E)::S(J),XP(j)
- B(i);SBLOCK,S_CUTP(k),XR(H)::S(J)
- S(d);N_GUARD,N_SPINS(c),XB(B)::QAB(D)
- S(d);SBLOCK,XR(H)::S(C)
- B(i);S_CUTP(k)::S(J),XP(j)
- S(d);N_GUARD::QAB(D),XS(d)
- S(d);N_GUARD::QAB(D)
- P(j);N_GUARD::R1(H)
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