MESON Chess Problem Database
Problem Display
PID: 233992 (1B2br1N/1pp5/7Q/1R2PPp1/R1Bp1k2/1K1PN3/3Pp1PP/6n1 w - - 0 1)
Segers, Marcel
Chess Life, 1990
#2
14 + 9
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Rf7
- 2.Sg6#
- 1...Bxb5
- 2.Sg6#
- 1...Bc6
- 2.Sg6#
- 1...Bg6
- 2.Sxg6#
- 1...Bd7
- 2.Sg6#
- 1...Sf3
- 2.g3#
- 1...dxe3
- 2.Be6#
- 1...c5
- 2.e6#
- 1...c6
- 2.e6#
- 1...Rf7
- Tries
- 1.Be6?
- threat
- 2.Rxd4#
- 1...Bxb5
- 2.Sg6#
- 1...Bc6
- 2.Sg6#
- 1...Sf3
- 2.g3#
- 1...c5!
- threat
- 1.Bf7?
- threat
- 2.Sg6#
- 2.Rxd4#
- 1...Rxh8
- 2.Rxd4#
- 1...Bxb5
- 2.Sg6#
- 1...Rg8
- 2.Rxd4#
- 1...Bc6
- 2.Sg6#
- 1...Sf3
- 2.Sg6#
- 2.g3#
- 1...c5
- 2.Sg6#
- 2.e6#
- 1...Bxf7+!
- threat
- 1.Bg8?
- threat
- 2.Rxd4#
- 1...Bxb5
- 2.Sg6#
- 1...Bc6
- 2.Sg6#
- 1...Sf3
- 2.g3#
- 1...c5
- 2.e6#
- 1...Bf7+!
- threat
- 1.Bxc7?
- threat
- 2.e6#
- 1...dxe3
- 2.Be6#
- 1...Rf7
- 2.Sg6#
- 1...Sf3
- 2.g3#
- 1...Rxf5!
- threat
- 1.Qh3?
- threat
- 2.Qg4#
- 2.Qg3#
- 1...Bxb5
- 2.Sg6#
- 2.Qg3#
- 1...dxe3
- 2.Be6#
- 2.Bf7#
- 2.Bg8#
- 2.dxe3#
- 1...g4
- 2.Qxg4#
- 2.Qh6#
- 1...e1Q
- 2.Qg4#
- 1...e1B
- 2.Qg4#
- 1...Bh5
- 2.Qg3#
- 1...Sxh3!
- threat
- 1.Qh4+?
- 1...g4
- 2.Qxg4#
- 2.Qh6#
- 1...gxh4!
- 1...g4
- 1.Qh5?
- threat
- 2.Qg4#
- 2.g3#
- 1...Bxb5
- 2.Sg6#
- 1...dxe3
- 2.Be6#
- 1...e1Q
- 2.Qg4#
- 1...e1B
- 2.Qg4#
- 1...g4
- 2.Qxg4#
- 2.Qh6#
- 1...Bxh5!
- threat
- 1.Qc6?
- threat
- 2.Qe4#
- 2.g3#
- 1...Bxc6
- 2.Sg6#
- 1...dxe3
- 2.Be6#
- 2.Qe4#
- 1...g4
- 2.Qh6#
- 1...e1Q
- 2.Qe4#
- 1...e1B
- 2.Qe4#
- 1...bxc6!
- threat
- 1.Qd6?
- threat
- 2.Qxd4#
- 1...dxe3
- 2.Be6#
- 1...g4
- 2.Qh6#
- 1...Bc6
- 2.Sg6#
- 1...Sf3
- 2.g3#
- 1...c5
- 2.e6#
- 1...cxd6!
- threat
- 1.e6?
- threat
- 2.Bxc7#
- 1...Rxf5
- 2.Rxf5#
- 1...Rf7
- 2.Sg6#
- 1...Sf3
- 2.g3#
- 1...dxe3!
- threat
- 1.Be6?
- Keys
- 1.Qb6!
- threat
- 2.Qxd4#
- 1...dxe3
- 2.Be6#
- 1...cxb6
- 2.e6#
- 1...g4
- 2.Qh6#
- 1...Bc6
- 2.Sg6#
- 1...Sf3
- 2.g3#
- 1...c5
- 2.e6#
- threat
- 1.Qb6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 5
- Sets
- R(i);S_CUTB(h)::S(N)
- B(h);N_GUARD,XR(I)::S(N)
- B(h);N_GUARD::S(N)
- B(h);N_GUARD::S(N),XB(h)
- S(a);SBLOCK::P(B)
- P(c);OGATEB,XS(F)::R(G)+B(H)
- P(g);::B(M)+P(J)
- Tries
- Try
- B(H);N_PINP(e),P_PINP(c)
- Threat
- R(G),XP(c)
- Vars
- B(h);N_GUARD,XR(I)::S(N)
- B(h);N_GUARD::S(N)
- S(a);SBLOCK::P(B)
- Refutation
- P(g);
- Try
- B(H);N_PINP(e),P_PINP(c)
- Threat
- DUALS(2)
- Vars
- R(i);XS(N)::R(G),XP(c)
- B(h);XR(I)::S(N)
- R(i);::R(G),XP(c)
- B(h);::S(N)
- Refutation
- B(h);CHECK,XB(H)
- Try
- B(H);N_PINP(e),P_PINP(c)
- Threat
- R(G),XP(c)
- Vars
- B(h);N_GUARD,XR(I)::S(N)
- B(h);N_GUARD::S(N)
- S(a);SBLOCK::P(B)
- P(g);::B(M)+P(J)
- Refutation
- B(h);CHECK
- Try
- B(M);XP(g)
- Threat
- B(M)+P(J)
- Vars
- P(c);OGATEB,XS(F)::R(G)+B(H)
- R(i);S_CUTB(h)::S(N)
- S(a);SBLOCK::P(B)
- Refutation
- R(i);XP(K)
- Try
- Q(L);N_PINP(e)
- Threat
- DUALS(2)
- Vars
- P(b);::QAR1(L)
- B(h);::QAB1(L)
- Refutation
- S(a);XQ(L)
- Try
- Q(L);CHECK,N_PINP(e)
- Refutation
- P(e);XQ(L)
- Try
- Q(L);N_PINP(e)
- Threat
- DUALS(2)
- Vars
- B(h);N_GUARD,XR(I)::S(N)
- P(c);OGATEB,XS(F)::R(G)+B(H)
- P(b);::QAR1(L)
- Refutation
- B(h);XQ(L)
- Try
- Q(L);N_PINP(e)
- Threat
- DUALS(2)
- Vars
- B(h);N_GUARD,XQ(L)::S(N)
- P(e);OGATEB::QAB(L)
- P(b);::QAR1(L)
- Refutation
- P(f);XQ(L)
- Try
- Q(L);N_PINP(e)
- Threat
- QAR2(L),XP(c)
- Vars
- P(c);OGATEB,XS(F)::R(G)+B(H)
- P(e);OGATEB::QAB(L)
- B(h);N_GUARD::S(N)
- S(a);SBLOCK::P(B)
- P(g);N_GUARD::QAB(L)+P(J)
- Refutation
- P(g);XQ(L)
- Try
- P(J);
- Threat
- B(M),XP(g)
- Vars
- R(i);OGATE,XP(K)::R1(I),XR(i)
- R(i);S_CUTB(h)::S(N)
- S(a);SBLOCK::P(B)
- Refutation
- P(c);XS(F)
- Try
- Actual
- Q(L);N_PINP(e)
- Threat
- QAR2(L),XP(c)
- Vars
- P(c);OGATEB,XS(F)::R(G)+B(H)
- P(g);XQ(L)::B(M)+P(J)
- P(e);OGATEB::QAB(L)
- B(h);N_GUARD::S(N)
- S(a);SBLOCK::P(B)
- P(g);::B(M)+P(J)
Developed and maintained by Brian Stephenson.
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CSS/Javascript (jQuery, Bootstrap & DataTables).