MESON Chess Problem Database
Problem Display
PID: 80531 (8/P2B4/Npnrn1Q1/3kpR2/2R4b/1P5p/8/6BK w - - 0 1)
Brabec, Juraj
Lehen, Ludovit
3rd Prize, Sachove umeni (Ceskoslovensky sach), 1981
#2
9 + 8
| 6424 | Czech Album (1979-1981) | 1986 |
SOLUTION
- SOUND
- Sets
- 1...Sb4
- 2.Sxb4#
- 1...Sa5
- 2.Sb4#
- 1...Sxa7
- 2.Sb4#
- 1...Se7
- 2.Sb4#
- 1...Sb8
- 2.Sb4#
- 1...Scd8
- 2.Sb4#
- 1...Sf4
- 2.Sc7#
- 1...Sc5
- 2.Sc7#
- 1...Sg5
- 2.Sc7#
- 1...Sc7
- 2.Sxc7#
- 1...Sg7
- 2.Sc7#
- 1...Sed8
- 2.Sc7#
- 1...Sf8
- 2.Sc7#
- 1...h2
- 2.Qg2#
- 1...Sb4
- Tries
- 1.Rf1?
- threat
- 2.Qe4#
- 1...e4
- 2.Qxe4#
- 1...Scd4
- 2.Sb4#
- 1...Sed4
- 2.Sc7#
- 1...Sc5
- 2.Sc7#
- 1...Sg5
- 2.Sc7#
- 1...Rxd7!
- threat
- 1.Rf2?
- threat
- 2.Qe4#
- 1...e4
- 2.Qxe4#
- 1...Scd4
- 2.Sb4#
- 1...Sed4
- 2.Sc7#
- 1...Sc5
- 2.Sc7#
- 1...Sg5
- 2.Sc7#
- 1...Rxd7!
- threat
- 1.Rf3?
- threat
- 2.Qe4#
- 1...e4
- 2.Qxe4#
- 1...Scd4
- 2.Sb4#
- 1...Sed4
- 2.Sc7#
- 1...Sc5
- 2.Sc7#
- 1...Sg5
- 2.Sc7#
- 1...Rxd7!
- threat
- 1.Rff4?
- threat
- 2.Qe4#
- 1...e4
- 2.Qxe4#
- 1...Sc5
- 2.Sc7#
- 1...Sg5
- 2.Sc7#
- 1...Rxd7!
- threat
- 1.Rxe5+?
- 1...Sxe5
- 2.Sb4#
- 2.Qe4#
- 1...Kxe5!
- 1...Sxe5
- 1.Rg5?
- threat
- 2.Qe4#
- 1...Sxg5
- 2.Sc7#
- 1...Scd4
- 2.Sb4#
- 1...Sed4
- 2.Sc7#
- 1...Sc5
- 2.Sc7#
- 1...Rxd7!
- threat
- 1.Rh5?
- threat
- 2.Qe4#
- 1...Scd4
- 2.Sb4#
- 1...Sed4
- 2.Sc7#
- 1...Sc5
- 2.Sc7#
- 1...Sg5
- 2.Sc7#
- 1...Rxd7!
- threat
- 1.Rf6?
- threat
- 2.Qe4#
- 1...e4
- 2.Qxe4#
- 1...Scd4
- 2.Sb4#
- 1...Sed4
- 2.Sc7#
- 2.Rxd6#
- 1...Sc5
- 2.Sc7#
- 2.Rxd6#
- 1...Sg5
- 2.Sc7#
- 2.Rxd6#
- 1...Rxd7!
- threat
- 1.Rf8?
- threat
- 2.Qe4#
- 1...e4
- 2.Qxe4#
- 1...Scd4
- 2.Sb4#
- 1...Sed4
- 2.Sc7#
- 1...Sc5
- 2.Sc7#
- 1...Sg5
- 2.Sc7#
- 1...Rxd7!
- threat
- 1.Qf7?
- threat
- 2.Sc7#
- 1...Rxd7
- 2.Qxd7#
- 1...Sd4
- 2.Rxd4#
- 1...Bd8!
- threat
- 1.Qg4?
- threat
- 2.Qf3#
- 2.Qe4#
- 1...Scd4
- 2.Sb4#
- 1...Sed4
- 2.Sc7#
- 1...Sf4
- 2.Sc7#
- 2.Qf3#
- 1...Sc5
- 2.Sc7#
- 1...Sg5
- 2.Sc7#
- 1...Rxd7!
- threat
- 1.a8Q?
- threat
- 2.Sb4#
- 1...Rxd7
- 2.Qxc6#
- 1...Sd4
- 2.Rxd4#
- 1...Be1!
- threat
- 1.Rf1?
- Keys
- 1.Rf7!
- threat
- 2.Qe4#
- 1...Rxd7
- 2.Rxd7#
- 1...e4
- 2.Qxe4#
- 1...Scd4
- 2.Sb4#
- 1...Sed4
- 2.Sc7#
- 1...Sc5
- 2.Sc7#
- 1...Sg5
- 2.Sc7#
- threat
- 1.Rf7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 12
- Sets
- S(f);N_GUARD::S(F),XS(f)
- S(f);N_GUARD::S(F)
- S(f);N_GUARD,XP(H)::S(F)
- S(h);N_GUARD::S(F)
- S(h);N_GUARD::S(F),XS(h)
- P(a);N_GUARD::QAB(G)
- Tries
- Try
- R(E);N_PINP(d)
- Threat
- QAB1(G)
- Vars
- P(d);::QAB1(G),XP(d)
- S(f);N_GUARD::S(F)
- S(h);N_GUARD::S(F)
- Refutation
- R(g);XB(I)
- Try
- R(E);N_PINP(d)
- Threat
- QAB1(G)
- Vars
- P(d);::QAB1(G),XP(d)
- S(f);N_GUARD::S(F)
- S(h);N_GUARD::S(F)
- Refutation
- R(g);XB(I)
- Try
- R(E);N_PINP(d)
- Threat
- QAB1(G)
- Vars
- P(d);::QAB1(G),XP(d)
- S(f);N_GUARD::S(F)
- S(h);N_GUARD::S(F)
- Refutation
- R(g);XB(I)
- Try
- R(E);N_PINP(d)
- Threat
- QAB1(G)
- Vars
- P(d);::QAB1(G),XP(d)
- S(h);N_GUARD::S(F)
- Refutation
- R(g);XB(I)
- Try
- R(E);CHECK,XP(d)
- Refutation
- K(c);P-FLIGHT,XR(E)
- Try
- R(E);
- Threat
- QAB1(G)
- Vars
- S(h);N_GUARD,N_SPINP(d),XR(E)::S(F)
- S(f);N_GUARD::S(F)
- S(h);N_GUARD::S(F)
- Refutation
- R(g);XB(I)
- Try
- R(E);
- Threat
- QAB1(G)
- Vars
- S(f);N_GUARD::S(F)
- S(h);N_GUARD::S(F)
- S(h);N_GUARD,N_SPINP(d)::S(F)
- Refutation
- R(g);XB(I)
- Try
- R(E);N_PINP(d)
- Threat
- QAB1(G)
- Vars
- P(d);::QAB1(G),XP(d)
- S(f);N_GUARD::S(F)
- Refutation
- R(g);XB(I)
- Try
- R(E);N_PINP(d)
- Threat
- QAB1(G)
- Vars
- P(d);::QAB1(G),XP(d)
- S(f);N_GUARD::S(F)
- S(h);N_GUARD::S(F)
- Refutation
- R(g);XB(I)
- Try
- Q(G);P_PINS(h)
- Threat
- S(F)
- Vars
- R(g);OGATE,XB(I)::QAR2(G),XR(g)
- S(f);N_GUARD::R1(D),XS(f)
- Refutation
- B(b);
- Try
- Q(G);
- Threat
- DUALS(2)
- Vars
- S(f);N_GUARD::S(F)
- S(h);N_GUARD::S(F)
- Refutation
- R(g);XB(I)
- Try
- P(H);P_PINS(f)
- Threat
- S(F)
- Vars
- R(g);N_GUARD,XB(I)::QAB1(H),XS(f)
- S(h);N_GUARD::R1(D),XS(h)
- Refutation
- B(b);
- Try
- Actual
- R(E);N_PINP(d)
- Threat
- QAB1(G)
- Vars
- R(g);OGATE,XB(I)::R(E),XR(g)
- P(d);::QAB1(G),XP(d)
- S(f);N_GUARD::S(F)
- S(h);N_GUARD::S(F)
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