MESON Chess Problem Database
Problem Display
PID: 36352 (1b4r1/3BB3/1p4p1/1K2k3/1n1NPN2/7p/3Q4/4R2b w - - 0 1)
Sammelius, Carel Johan Robert
2nd HM., Probleemblad, 1974
#2
8 + 8
| 3771 | FIDE Album (1974-1976) | 1980 |
SOLUTION
- SOUND
- Sets
- 1...Rc8
- 2.Sxg6#
- 1...Rd8
- 2.Sxg6#
- 1...Re8
- 2.Sxg6#
- 1...Rf8
- 2.Sxg6#
- 1...Rh8
- 2.Sxg6#
- 1...Bf3
- 2.Sxf3#
- 1...Bxe4
- 2.Sf3#
- 1...Sa2
- 2.Sc6#
- 1...Sc2
- 2.Sc6#
- 1...Sd3
- 2.Sc6#
- 1...Sd5
- 2.Sc6#
- 1...Sa6
- 2.Sc6#
- 1...Sc6
- 2.Sxc6#
- 1...Rc8
- Tries
- 1.Kxb4?
- threat
- 2.Sc6#
- 1...Rc8
- 2.Sxg6#
- 1...Bd6+!
- threat
- 1.Sde2?
- threat
- 2.Qd4#
- 1...Kxe4
- 2.Sg1#
- 2.Sd4#
- 1...Sc2
- 2.Qd5#
- 1...Sc6
- 2.Qd5#
- 1...Sd3!
- threat
- 1.Sde6?
- threat
- 2.Qc3#
- 2.Qb2#
- 2.Qd4#
- 1...Rc8
- 2.Sxg6#
- 2.Qd4#
- 1...Sa2
- 2.Sd3#
- 2.Qd4#
- 2.Qd5#
- 1...Sc2
- 2.Sd3#
- 2.Qd5#
- 1...Sd3
- 2.Sxd3#
- 2.Qc3#
- 1...Sd5
- 2.Sd3#
- 2.Qd4#
- 2.Qxd5#
- 1...Sc6
- 2.Sd3#
- 2.Qd5#
- 1...Bxe4!
- threat
- 1.Sd3+?
- 1...Sxd3
- 2.Sc6#
- 1...Kxd4!
- 1...Sxd3
- 1.Sfe6?
- threat
- 2.Qf4#
- 2.Qg5#
- 2.Qh2#
- 1...Bxe4
- 2.Qg5#
- 1...Bg2
- 2.Qf4#
- 2.Qg5#
- 1...Sd3
- 2.Sc6#
- 2.Qg5#
- 1...Sd5
- 2.Sc6#
- 2.Qg5#
- 1...h2
- 2.Qf4#
- 2.Qg5#
- 2.Qxh2#
- 1...g5
- 2.Qh2#
- 1...Rf8!
- threat
- 1.Qc3?
- threat
- 2.Sde6#
- 1...Bxe4
- 2.Sde2#
- 1...Rc8
- 2.Sxg6#
- 1...Sa2
- 2.Sd3#
- 1...Sc2
- 2.Sd3#
- 1...Sd5
- 2.Sd3#
- 1...Sc6
- 2.Sd3#
- 1...Kxf4!
- threat
- 1.Qh2?
- threat
- 2.Sfe6#
- 1...Kxd4
- 2.Qb2#
- 1...Bxe4
- 2.Sf3#
- 1...Sd3
- 2.Sc6#
- 1...Sd5
- 2.Sc6#
- 1...Rf8!
- threat
- 1.Kxb4?
- Keys
- 1.Qb2!
- threat
- 2.Sde6#
- 1...Kxf4
- 2.Qh2#
- 1...Bxe4
- 2.Sde2#
- 1...Rc8
- 2.Sxg6#
- 1...Sa2
- 2.Sd3#
- 1...Sc2
- 2.Sd3#
- 1...Sd3
- 2.Sxd3#
- 1...Sd5
- 2.Sd3#
- 1...Sc6
- 2.Sd3#
- threat
- 1.Qb2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 6
- ADDED MATES = 1
- REMOVED MATES = 6
- Sets
- R(h);N_GUARD::S(E),XP(f)
- B(a);N_GUARD::S(C),XB(a)
- B(a);N_GUARD,P_SPINB(a),XP(D)::S(C)
- S(c);N_GUARD::S(C)
- S(c);N_GUARD::S(C),XS(c)
- Tries
- Try
- K(F);P-FLIGHT,XS(c)
- Threat
- S(C)
- Vars
- R(h);N_GUARD::S(E),XP(f)
- Refutation
- B(g);CHECK
- Try
- S(C);
- Threat
- QAB1(B)
- Vars
- S(c);N_GUARD::QAR1(B)
- Refutation
- S(c);
- Try
- S(C);
- Threat
- DUALS(3)
- Refutation
- B(a);P_SPINB(a),XP(D)
- Try
- S(E);CHECK
- Vars
- S(c);XS(E)::S(C)
- Refutation
- K(d);S_FLIGHT,XS(C)
- Try
- S(E);
- Threat
- DUALS(3)
- Vars
- B(a);P_SPINB(a),XP(D)::QAR2(B)
- P(f);::QAB(B)
- Refutation
- R(h);
- Try
- Q(B);
- Threat
- QAB(B)+S(C)
- Vars
- B(a);P_SPINB(a),SBLOCK,XP(D)::QAB(B)+S(C)
- R(h);N_GUARD::S(E),XP(f)
- S(c);N_GUARD::S(E)
- Refutation
- K(d);S_FLIGHT,XS(E)
- Try
- Q(B);
- Threat
- QAB(B)+S(E)
- Vars
- K(d);OGATEB,S_FLIGHT,XS(C)::QAB(B)
- B(a);N_GUARD,P_SPINB(a),XP(D)::S(C)
- S(c);N_GUARD::S(C)
- Refutation
- R(h);
- Try
- Actual
- Q(B);
- Threat
- QAB(B)+S(C)
- Vars
- K(d);OGATEB,S_FLIGHT,XS(E)::QAB(B)
- B(a);P_SPINB(a),SBLOCK,XP(D)::QAB(B)+S(C)
- R(h);N_GUARD::S(E),XP(f)
- S(c);N_GUARD::S(E)
- S(c);N_GUARD::S(E),XS(c)
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