MESON Chess Problem Database
Problem Display
PID: 243436 (8/b2p4/1B1p4/4kBKb/2P4p/2P1N3/3NnR2/3RQ3 w - - 0 1)
Bednar, Milan
Sachove umeni (Ceskoslovensky sach), 1980
#2
10 + 7
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Bf3
- 2.Sxf3#
- 1...Bg4
- 2.Sxg4#
- 1...Bg6
- 2.Sf3#
- 2.Sg4#
- 1...Bf7
- 2.Sf3#
- 2.Sg4#
- 1...Be8
- 2.Sf3#
- 2.Sg4#
- 1...Sc1
- 2.Sg4#
- 1...Sg1
- 2.Sg4#
- 1...Sxc3
- 2.Sg4#
- 1...Sg3
- 2.Sg4#
- 1...Sd4
- 2.Sg4#
- 2.cxd4#
- 1...Sf4
- 2.Sg4#
- 1...Bf3
- Tries
- 1.Sb1?
- threat
- 2.Rd5#
- 1...Sxc3
- 2.Sg4#
- 2.Qxc3#
- 1...d5
- 2.Rxd5#
- 1...Bf7
- 2.Sg4#
- 1...Sd4
- 2.Sg4#
- 2.cxd4#
- 1...Sf4
- 2.Sg4#
- 1...Bf3!
- threat
- 1.Sdf1?
- threat
- 2.Rd5#
- 1...Sxc3
- 2.Sg4#
- 2.Qxc3#
- 1...d5
- 2.Rxd5#
- 1...Bf7
- 2.Sg4#
- 1...Sd4
- 2.Sg4#
- 2.cxd4#
- 1...Sf4
- 2.Sg4#
- 1...Bf3!
- threat
- 1.Sb3?
- threat
- 2.Rd5#
- 1...Sxc3
- 2.Sg4#
- 2.Qxc3#
- 1...d5
- 2.Rxd5#
- 1...Bf7
- 2.Sg4#
- 1...Sd4
- 2.Sg4#
- 2.cxd4#
- 1...Sf4
- 2.Sg4#
- 1...Bf3!
- threat
- 1.Se4?
- threat
- 2.Rd5#
- 1...Sxc3
- 2.Qxc3#
- 1...Bf7
- 2.Sg4#
- 1...Sd4
- 2.cxd4#
- 1...d5
- 2.Rxd5#
- 1...Sf4!
- threat
- 1.Bxd7?
- threat
- 2.Rf5#
- 1...d5
- 2.Bc7#
- 1...Bg4
- 2.Sxg4#
- 1...Bg6
- 2.Sg4#
- 1...Sg3
- 2.Sg4#
- 1...Sd4
- 2.Sg4#
- 2.cxd4#
- 1...Sf4
- 2.Sg4#
- 1...Bf3!
- threat
- 1.Bd4+?
- 1...Sxd4
- 2.Sg4#
- 1...Bxd4!
- 1...Sxd4
- 1.Rxe2?
- threat
- 2.Sg4#
- 1...Bg4
- 2.Sxg4#
- 1...d5!
- threat
- 1.Rf4?
- threat
- 2.Re4#
- 1...Sxc3
- 2.Sg4#
- 1...Sxf4
- 2.Sg4#
- 1...Bf3
- 2.Sxf3#
- 1...Sg3
- 2.Sg4#
- 1...d5!
- threat
- 1.c5?
- threat
- 2.Sdc4#
- 1...Bf7
- 2.Sf3#
- 1...d5!
- threat
- 1.Sb1?
- Keys
- 1.Qh1!
- threat
- 2.Qe4#
- 2.Qd5#
- 1...Sxc3
- 2.Qh2#
- 1...d5
- 2.Qxd5#
- 1...Bf3
- 2.Sxf3#
- 1...Bf7
- 2.Sf3#
- 2.Sg4#
- 2.Qe4#
- 1...Sg3
- 2.Qd5#
- 1...Sf4
- 2.Qe4#
- threat
- 1.Qh1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 3
- ADDED MATES = 1
- REMOVED MATES = 3
- Sets
- B(d);N_GUARD::S(C),XB(d)
- B(d);N_GUARD::S(F),XB(d)
- S(a);::QAR(B)+S(F),DCHECK
- S(a);XP(E)::QAR(B)+S(F),DCHECK
- Tries
- Try
- S(C);
- Threat
- R1(A)
- Vars
- P(e);::R1(A),XP(e)
- B(d);N_GUARD::S(F)
- S(a);::QAR(B)+S(F),DCHECK
- Refutation
- B(d);
- Try
- S(C);
- Threat
- R1(A)
- Vars
- P(e);::R1(A),XP(e)
- B(d);N_GUARD::S(F)
- S(a);::QAR(B)+S(F),DCHECK
- Refutation
- B(d);
- Try
- S(C);
- Threat
- R1(A)
- Vars
- P(e);::R1(A),XP(e)
- B(d);N_GUARD::S(F)
- S(a);::QAR(B)+S(F),DCHECK
- Refutation
- B(d);
- Try
- S(C);
- Threat
- R1(A)
- Vars
- S(a);OGATE,XP(E)::QAB(B),XS(a)
- B(d);N_GUARD::S(F)
- S(a);OGATE::P(E),XS(a)
- P(e);::R1(A),XP(e)
- Refutation
- S(a);
- Try
- B(H);XP(g)
- Threat
- R1(D)
- Vars
- P(e);OGATEB::B(J)
- B(d);N_GUARD::S(F),XB(d)
- B(d);N_GUARD::S(F)
- S(a);::QAR(B)+S(F),DCHECK
- Refutation
- B(d);
- Try
- B(J);CHECK
- Vars
- S(a);XB(J)::QAR(B)+S(F),DCHECK
- Refutation
- B(f);XB(J)
- Try
- R(D);XS(a)
- Threat
- R(D)+S(F),DCHECK
- Vars
- B(d);::R(D)+S(F),DCHECK,XB(d)
- Refutation
- P(e);
- Try
- R(D);
- Threat
- R1(D)
- Vars
- S(a);XP(E)::QAR(B)+S(F),DCHECK
- S(a);XR(D)::QAR(B)+S(F),DCHECK
- B(d);N_GUARD::S(C),XB(d)
- S(a);::QAR(B)+S(F),DCHECK
- Refutation
- P(e);
- Try
- P(G);
- Threat
- S(C)
- Vars
- B(d);N_GUARD::S(C)
- Refutation
- P(e);
- Try
- Actual
- Q(B);
- Threat
- DUALS(2)
- Vars
- S(a);N_GUARD,XP(E)::QAB(B)
- P(e);::QAR1(B),XP(e)
- B(d);N_GUARD::S(C),XB(d)
- S(a);::QAR1(B)
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