MESON Chess Problem Database
Problem Display
PID: 109878 (3NK3/1P1QB3/r6R/4k2p/R2pp1p1/N2P2P1/br4B1/6bq w - - 0 1)
Brabec, Juraj
Lehen, Ludovit
Comm., UV CSTV, 1983
#2
11 + 10
| 3485 | Sachova skladba | 1985 |
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Qxg2
- 2.Rxh5#
- 1...Rb3
- 2.Sc4#
- 2.Sf7#
- 1...Rxa4
- 2.Sc6#
- 2.Bf6#
- 1...Ra5
- 2.Sc6#
- 2.Bf6#
- 1...Rc6
- 2.Sxc6#
- 1...Rf6
- 2.Bxf6#
- 1...Ra7
- 2.Sc6#
- 2.Bf6#
- 1...Ra8
- 2.Bf6#
- 1...Bh2
- 2.Rxh5#
- 1...Bb1
- 2.Sc4#
- 2.Sf7#
- 1...Bc4
- 2.Sxc4#
- 1...Bf7+
- 2.Sxf7#
- 1...h4
- 2.Rh5#
- 1...Qxg2
- Tries
- 1.Bd6+?
- 1...Kd5
- 2.Qf5#
- 2.Qe6#
- 2.Qf7#
- 2.dxe4#
- 1...Rxd6!
- 1...Kd5
- 1.Rc4?
- threat
- 2.Sf7#
- 1...Bxc4
- 2.Sxc4#
- 1...Re6
- 2.Qxe6#
- 1...Rf2
- 2.Qb5#
- 1...Rf6
- 2.Bxf6#
- 1...Ra8
- 2.Bf6#
- 2.Qe6#
- 1...Rd6!
- threat
- 1.Ra5+?
- 1...Rxa5
- 2.Sc6#
- 2.Bf6#
- 1...Bd5
- 2.Sc4#
- 2.Sf7#
- 2.Rxd5#
- 2.Qxd5#
- 1...Rb5!
- 1...Rxa5
- 1.Raxa6?
- threat
- 2.Sc6#
- 2.Bf6#
- 1...Bf7+
- 2.Sxf7#
- 1...Be6
- 2.Qxe6#
- 1...Qh4
- 2.Sc6#
- 1...Rc2
- 2.Bf6#
- 1...Rf2
- 2.Sc6#
- 2.b8Q#
- 2.b8B#
- 1...Bd5
- 2.Bd6#
- 2.Bf6#
- 1...Rb6!
- threat
- 1.Rhxa6?
- threat
- 2.Sc6#
- 2.Bf6#
- 1...Bf7+
- 2.Sxf7#
- 1...Be6
- 2.Qxe6#
- 1...Qh4
- 2.Sc6#
- 1...Rc2
- 2.Bf6#
- 1...Rf2
- 2.Sc6#
- 2.b8Q#
- 2.b8B#
- 1...Bd5
- 2.Bf6#
- 1...Rb6!
- threat
- 1.Rc6?
- threat
- 2.Bf6#
- 1...Bf7+
- 2.Sxf7#
- 1...Rxc6
- 2.Sxc6#
- 1...Be6
- 2.Qxe6#
- 1...Rf2
- 2.b8Q#
- 2.b8B#
- 1...Qh4!
- threat
- 1.Qxd4+?
- 1...Kf5
- 2.Qxe4#
- 2.dxe4#
- 1...Bxd4!
- 1...Kf5
- 1.Qd6+?
- 1...Kf5
- 2.Qf4#
- 2.dxe4#
- 1...Rxd6!
- 1...Kf5
- 1.Qc7+?
- 1...Kd5
- 2.Qc5#
- 2.dxe4#
- 1...Kf5
- 2.Qf4#
- 2.dxe4#
- 1...Rd6!
- 1...Kd5
- 1.b8Q+?
- 1...Rd6
- 2.Qbxd6#
- 1...Rxb8!
- 1...Rd6
- 1.Bd6+?
- Keys
- 1.dxe4!
- threat
- 2.Qf5#
- 1...Bf7+
- 2.Sxf7#
- 1...Rf2
- 2.Qxd4#
- 1...Re6
- 2.Sf7#
- 1...Rf6
- 2.Bxf6#
- 1...Be6
- 2.Bf6#
- threat
- 1.dxe4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 6
- Sets
- Q(b);N_GUARD,XB(A)::R(F),XP(i)
- R(j);N_GUARD::S(J),XR(j)
- R(j);N_GUARD::B(I),XR(j)
- R(j);N_GUARD,P_PINS(J)::B(I)
- B(a);S_CUTQ(b)::R(F),XP(i)
- B(c);N_GUARD::S(B),XB(c)
- B(c);CHECK,N_GUARD::S(J),XB(c)
- P(i);S_CUTQ(b)::R(F)
- Tries
- Try
- B(I);CHECK
- Refutation
- R(j);XB(I)
- Try
- R(E);
- Threat
- S(J)
- Vars
- B(c);XR(E)::S(B),XB(c)
- R(j);N_GUARD,P_PINB(I)::QAR1(H),XR(j)
- R(d);N_GUARD::QAR(H)
- R(j);N_GUARD::B(I),XR(j)
- Refutation
- R(j);
- Try
- R(E);CHECK
- Refutation
- R(d);P_SPINR(d)
- Try
- R(E);XR(j)
- Threat
- DUALS(2)
- Vars
- B(c);CHECK,N_GUARD::S(J),XB(c)
- B(c);N_GUARD::QAR1(H),XB(c)
- Q(b);::S(J)
- R(d);::B(I)
- Refutation
- R(d);
- Try
- R(F);XR(j)
- Threat
- DUALS(2)
- Vars
- B(c);CHECK,N_GUARD::S(J),XB(c)
- B(c);N_GUARD::QAR1(H),XB(c)
- Q(b);::S(J)
- R(d);::B(I)
- B(c);::B(I)
- Refutation
- R(d);
- Try
- R(F);
- Threat
- B(I)
- Vars
- B(c);CHECK,N_GUARD::S(J),XB(c)
- R(j);XR(F)::S(J),XR(j)
- B(c);N_GUARD::QAR1(H),XB(c)
- R(d);N_GUARD::P=Q
- Refutation
- Q(b);
- Try
- Q(H);CHECK,XP(e)
- Refutation
- B(a);XQ(H)
- Try
- Q(H);CHECK
- Refutation
- R(j);XQ(H)
- Try
- Q(H);CHECK
- Refutation
- R(j);P_SPINR(j)
- Try
- P(G);CHECK
- Vars
- R(j);N_GUARD,P_SPINR(j)::QAB1(G),XR(j)
- Refutation
- R(d);P_PINS(J),XQ(G)
- Try
- Actual
- P(C);XP(f)
- Threat
- QAR1(H)
- Vars
- B(c);CHECK,N_GUARD::S(J),XB(c)
- R(d);S_CUTB(a)::QAB1(H),XP(e)
- R(j);P_PINB(I),S_CUTB(c)::S(J)
- R(j);N_GUARD::B(I),XR(j)
- B(c);S_CUTR(j)::B(I)
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