MESON Chess Problem Database
Problem Display
PID: 226665 (1b4b1/1r6/B1pP3Q/3kB3/Npp5/4R3/2N5/3K4 w - - 0 1)
Bernard, Edmond
Schweizerische Schachzeitung, 1979
#2
8 + 7
| 16895 | Schweizer Schachkompositionen (1976-1986) (Henneberger) | 1989 |
SOLUTION
- SOUND
- Sets
- 1...Ra7
- 2.Sxb4#
- 1...Rc7
- 2.Sxb4#
- 1...Rd7
- 2.Sxb4#
- 1...Re7
- 2.Sxb4#
- 1...Rf7
- 2.Sxb4#
- 1...Rg7
- 2.Sxb4#
- 1...Rh7
- 2.Sxb4#
- 1...Bxd6
- 2.Qxd6#
- 1...Be6
- 2.Qh1#
- 1...c5
- 2.Bxb7#
- 1...Ra7
- Tries
- 1.Sc3+?
- 1...Kc5
- 2.Bd4#
- 1...bxc3!
- 1...Kc5
- 1.Sb6+?
- 1...Kc5
- 2.Bd4#
- 1...Rxb6!
- 1...Kc5
- 1.Ba1?
- threat
- 2.Re5#
- 1...Bxd6
- 2.Qh1#
- 1...Be6
- 2.Qxe6#
- 1...c5
- 2.Bxb7#
- 1...Re7
- 2.Sxb4#
- 1...c3!
- threat
- 1.Bb2?
- threat
- 2.Re5#
- 1...Bxd6
- 2.Qh1#
- 1...Be6
- 2.Qxe6#
- 1...c5
- 2.Bxb7#
- 1...Re7
- 2.Sxb4#
- 1...c3!
- threat
- 1.Bh2?
- threat
- 2.Re5#
- 2.Qg5#
- 2.Qh5#
- 1...Bxd6
- 2.Qxd6#
- 1...c5
- 2.Bxb7#
- 1...Rf7
- 2.Re5#
- 2.Qe6#
- 1...Rg7
- 2.Re5#
- 1...Rh7
- 2.Re5#
- 2.Qg5#
- 1...Be6
- 2.Qxe6#
- 1...Bf7
- 2.Re5#
- 2.Qg5#
- 1...Bh7
- 2.Re5#
- 2.Qe6#
- 1...Re7!
- threat
- 1.Bc3?
- threat
- 2.Re5#
- 1...Bxd6
- 2.Qh1#
- 1...Be6
- 2.Qxe6#
- 1...c5
- 2.Bxb7#
- 1...Re7
- 2.Sxb4#
- 1...bxc3!
- threat
- 1.Bg3?
- threat
- 2.Re5#
- 2.Qg5#
- 2.Qh1#
- 2.Qh5#
- 1...Bxd6
- 2.Qh1#
- 2.Qxd6#
- 1...c5
- 2.Bxb7#
- 2.Qh1#
- 1...Rf7
- 2.Re5#
- 2.Qe6#
- 1...Rg7
- 2.Re5#
- 2.Qh1#
- 1...Rh7
- 2.Re5#
- 2.Qg5#
- 1...Be6
- 2.Qh1#
- 2.Qxe6#
- 1...Bf7
- 2.Re5#
- 2.Qg5#
- 2.Qh1#
- 1...Bh7
- 2.Re5#
- 2.Qe6#
- 1...Re7!
- threat
- 1.Bf4?
- threat
- 2.Re5#
- 2.Qg5#
- 2.Qh1#
- 2.Qh5#
- 1...Bxd6
- 2.Qh1#
- 2.Qxd6#
- 1...c5
- 2.Bxb7#
- 2.Qh1#
- 1...Rf7
- 2.Re5#
- 2.Qh1#
- 2.Qe6#
- 1...Rg7
- 2.Re5#
- 1...Rh7
- 2.Re5#
- 2.Qg5#
- 1...Be6
- 2.Qh1#
- 2.Qxe6#
- 1...Bf7
- 2.Re5#
- 2.Qg5#
- 2.Qh1#
- 1...Bh7
- 2.Re5#
- 2.Qe6#
- 1...Re7!
- threat
- 1.Bg7?
- threat
- 2.Re5#
- 1...Bxd6
- 2.Qh1#
- 1...Be6
- 2.Qxe6#
- 1...c5
- 2.Bxb7#
- 1...Re7
- 2.Sxb4#
- 1...Rxg7!
- threat
- 1.Bh8?
- threat
- 2.Re5#
- 1...Bxd6
- 2.Qh1#
- 1...Be6
- 2.Qxe6#
- 1...c5
- 2.Bxb7#
- 1...Re7
- 2.Sxb4#
- 1...Rg7!
- threat
- 1.Bxb7?
- threat
- 2.Sxb4#
- 1...Bxd6
- 2.Qxd6#
- 1...b3
- 2.Sb4#
- 1...c3!
- threat
- 1.Sc3+?
- Keys
- 1.Bd4!
- threat
- 2.Re5#
- 1...Bxd6
- 2.Qh1#
- 1...Be6
- 2.Qxe6#
- 1...c5
- 2.Bxb7#
- 1...Re7
- 2.Sb6#
- threat
- 1.Bd4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 3
- ADDED MATES = 0
- REMOVED MATES = 6
- Sets
- R(e);N_GUARD::S(B),XP(a)
- B(f);OGATE,XP(G)::QAR1(H),XB(f)
- B(g);SBLOCK::QAB(H)
- P(d);OGATEB::B(F),XR(e)
- Tries
- Try
- S(D);CHECK
- Vars
- K(c);P-FLIGHT::B(E)
- Refutation
- P(a);XS(D)
- Try
- S(D);CHECK
- Vars
- K(c);P-FLIGHT::B(E)
- Refutation
- R(e);XS(D)
- Try
- B(E);
- Threat
- R1(C)
- Vars
- B(f);SBLOCK,XP(G)::QAB(H)
- B(g);N_GUARD::QAB1(H),XB(g)
- P(d);OGATEB::B(F),XR(e)
- R(e);N_GUARD::S(B),XP(a)
- Refutation
- P(b);
- Try
- B(E);
- Threat
- R1(C)
- Vars
- B(f);SBLOCK,XP(G)::QAB(H)
- B(g);N_GUARD::QAB1(H),XB(g)
- P(d);OGATEB::B(F),XR(e)
- R(e);N_GUARD::S(B),XP(a)
- Refutation
- P(b);
- Try
- B(E);
- Threat
- DUALS(3)
- Vars
- B(f);OGATE,XP(G)::QAR1(H),XB(f)
- P(d);OGATEB::B(F),XR(e)
- R(e);::R1(C)
- B(g);N_GUARD::QAB1(H),XB(g)
- Refutation
- R(e);
- Try
- B(E);
- Threat
- R1(C)
- Vars
- B(f);SBLOCK,XP(G)::QAB(H)
- B(g);N_GUARD::QAB1(H),XB(g)
- P(d);OGATEB::B(F),XR(e)
- R(e);N_GUARD::S(B),XP(a)
- Refutation
- P(a);XB(E)
- Try
- B(E);
- Threat
- DUALS(4)
- Refutation
- R(e);
- Try
- B(E);
- Threat
- DUALS(4)
- Vars
- R(e);::R1(C)
- Refutation
- R(e);
- Try
- B(E);
- Threat
- R1(C)
- Vars
- B(f);SBLOCK,XP(G)::QAB(H)
- B(g);N_GUARD::QAB1(H),XB(g)
- P(d);OGATEB::B(F),XR(e)
- R(e);N_GUARD::S(B),XP(a)
- Refutation
- R(e);XB(E)
- Try
- B(E);
- Threat
- R1(C)
- Vars
- B(f);SBLOCK,XP(G)::QAB(H)
- B(g);N_GUARD::QAB1(H),XB(g)
- P(d);OGATEB::B(F),XR(e)
- R(e);N_GUARD::S(B),XP(a)
- Refutation
- R(e);
- Try
- B(F);P_PINP(d),XR(e)
- Threat
- S(B),XP(a)
- Vars
- B(f);OGATE,XP(G)::QAR1(H),XB(f)
- P(a);::S(B)
- Refutation
- P(b);
- Try
- Actual
- B(E);
- Threat
- R1(C)
- Vars
- B(f);SBLOCK,XP(G)::QAB(H)
- B(g);N_GUARD::QAB1(H),XB(g)
- P(d);OGATEB::B(F),XR(e)
- R(e);N_GUARD::S(D)
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