MESON Chess Problem Database
Problem Display
PID: 50514 (7n/5Q1q/4R1r1/P2R1r2/pBp5/pkb1pN2/Nn2B3/1K3b2 w - - 0 1)
Sydenham, Colin Peter
2nd HM., Het Belgisch Schaakbord (L'Echiquier Belge), 1983-1984
#2
9 + 12
| 5110 | Bekroonde Problemen | 2002 |
| 15513 | Selected Chess Problems of Colin Sydenham | 2015 |
SOLUTION
- SOUND
- Sets
- 1...Be1
- 2.Sd4#
- 1...Bd2
- 2.Sd4#
- 1...Bxb4
- 2.Sd4#
- 1...Bd4
- 2.Sxd4#
- 1...Sd1
- 2.Bxd1#
- 1...Sd3
- 2.Bd1#
- 1...Be1
- Tries
- 1.Bc5?
- threat
- 2.Sc1#
- 1...Bxa5
- 2.Sd4#
- 1...Be1
- 2.Sd4#
- 1...Bd2
- 2.Sd4#
- 1...Bb4
- 2.Sd4#
- 1...Bd4
- 2.Sxd4#
- 1...Bf6
- 2.Rb6#
- 1...Bg7
- 2.Qb7#
- 1...Sd3
- 2.Bd1#
- 1...Be5!
- threat
- 1.Bd6?
- threat
- 2.Sc1#
- 1...Bxa5
- 2.Sd4#
- 1...Be1
- 2.Sd4#
- 1...Bd2
- 2.Sd4#
- 1...Bb4
- 2.Sd4#
- 1...Bd4
- 2.Sxd4#
- 1...Be5
- 2.Rb5#
- 1...Bg7
- 2.Qb7#
- 1...Sd3
- 2.Bd1#
- 1...Bf6!
- threat
- 1.Be7?
- threat
- 2.Sc1#
- 1...Bxa5
- 2.Sd4#
- 1...Be1
- 2.Sd4#
- 1...Bd2
- 2.Sd4#
- 1...Bb4
- 2.Sd4#
- 1...Bd4
- 2.Sxd4#
- 1...Be5
- 2.Rb5#
- 1...Bf6
- 2.Rb6#
- 1...Sd3
- 2.Bd1#
- 1...Bg7!
- threat
- 1.Rb5?
- threat
- 2.Sc1#
- 1...Bxb4
- 2.Sd4#
- 2.Rxb4#
- 1...Bd2
- 2.Sd4#
- 1...Sd3
- 2.Bd1#
- 1...Rxb5!
- threat
- 1.Rxe3?
- threat
- 2.Sd2#
- 2.Sd4#
- 2.Rxc3#
- 1...Rxd5
- 2.Rxc3#
- 1...Qg7
- 2.Sd2#
- 1...Qh4
- 2.Sd2#
- 2.Rxc3#
- 1...Rf4
- 2.Sd2#
- 2.Rxc3#
- 1...Rg4
- 2.Sd2#
- 2.Rxc3#
- 1...Sd1
- 2.Sd2#
- 2.Sd4#
- 2.Bxd1#
- 1...Sd3
- 2.Bd1#
- 1...Rxf3!
- threat
- 1.Rb6?
- threat
- 2.Sc1#
- 1...Bxb4
- 2.Sd4#
- 2.Rxb4#
- 1...Bd2
- 2.Sd4#
- 1...Sd3
- 2.Bd1#
- 1...Rxb6!
- threat
- 1.Qb7?
- threat
- 2.Sc1#
- 1...Bxb4
- 2.Sd4#
- 2.Qxb4#
- 1...Bd2
- 2.Sd4#
- 1...Sd3
- 2.Bd1#
- 1...Qxb7!
- threat
- 1.Qe7?
- threat
- 2.Sc1#
- 1...Bxb4
- 2.Sd4#
- 2.Qxb4#
- 1...Bd2
- 2.Sd4#
- 1...Sd3
- 2.Bd1#
- 1...Qxe7!
- threat
- 1.Bc5?
- Keys
- 1.Bf8!
- threat
- 2.Sc1#
- 1...Bxa5
- 2.Sd4#
- 1...Be1
- 2.Sd4#
- 1...Bd2
- 2.Sd4#
- 1...Bb4
- 2.Sd4#
- 1...Bd4
- 2.Sxd4#
- 1...Be5
- 2.Rb5#
- 1...Bf6
- 2.Rb6#
- 1...Bg7
- 2.Qb7#
- 1...Sd3
- 2.Bd1#
- threat
- 1.Bf8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 1
- Sets
- B(e);N_GUARD::S(D)
- B(e);N_GUARD,XB(E)::S(D)
- B(e);N_GUARD::S(D),XB(e)
- S(b);N_GUARD::B(C),XS(b)
- S(b);N_GUARD::B(C)
- Tries
- Try
- B(E);
- Threat
- S(B)
- Vars
- B(e);N_GUARD,XP(F)::S(D)
- B(e);N_GUARD::S(D)
- B(e);N_GUARD::S(D),XB(e)
- B(e);N_GUARD,S_CUTR(j)::R(H)
- B(e);N_GUARD,S_CUTQ(k)::QAR(I)
- S(b);N_GUARD::B(C)
- Refutation
- B(e);
- Try
- B(E);
- Threat
- S(B)
- Vars
- B(e);N_GUARD,XP(F)::S(D)
- B(e);N_GUARD::S(D)
- B(e);N_GUARD::S(D),XB(e)
- B(e);N_GUARD,S_CUTR(i)::R(G)
- B(e);N_GUARD,S_CUTQ(k)::QAR(I)
- S(b);N_GUARD::B(C)
- Refutation
- B(e);
- Try
- B(E);
- Threat
- S(B)
- Vars
- B(e);N_GUARD,XP(F)::S(D)
- B(e);N_GUARD::S(D)
- B(e);N_GUARD::S(D),XB(e)
- B(e);N_GUARD,S_CUTR(i)::R(G)
- B(e);N_GUARD,S_CUTR(j)::R(H)
- S(b);N_GUARD::B(C)
- Refutation
- B(e);
- Try
- R(G);
- Threat
- S(B)
- Vars
- B(e);N_GUARD::S(D)
- S(b);N_GUARD::B(C)
- Refutation
- R(i);XR(G)
- Try
- R(H);P_PINB(e),XP(f)
- Threat
- DUALS(3)
- Vars
- R(i);XR(G)::R1(H),XB(e)
- Q(k);::S(D)
- S(b);N_GUARD,N_SPINB(e)::B(C)
- Refutation
- R(i);XS(D)
- Try
- R(H);
- Threat
- S(B)
- Vars
- B(e);N_GUARD::S(D)
- S(b);N_GUARD::B(C)
- Refutation
- R(j);XR(H)
- Try
- Q(I);
- Threat
- S(B)
- Vars
- B(e);N_GUARD::S(D)
- S(b);N_GUARD::B(C)
- Refutation
- Q(k);XQ(I)
- Try
- Q(I);
- Threat
- S(B)
- Vars
- B(e);N_GUARD::S(D)
- S(b);N_GUARD::B(C)
- Refutation
- Q(k);XQ(I)
- Try
- Actual
- B(E);
- Threat
- S(B)
- Vars
- B(e);N_GUARD,XP(F)::S(D)
- B(e);N_GUARD::S(D)
- B(e);N_GUARD::S(D),XB(e)
- B(e);N_GUARD,S_CUTR(i)::R(G)
- B(e);N_GUARD,S_CUTR(j)::R(H)
- B(e);N_GUARD,S_CUTQ(k)::QAR(I)
- S(b);N_GUARD::B(C)
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