MESON Chess Problem Database
Problem Display
PID: 24923 (4r3/b6p/R5BP/3nkN1p/r1QNn3/B1P5/b7/5RK1 w - - 0 1)
Karlsson, Borje
1st Prize, Helsingfors SK, 1936
#2
10 + 9
| 3098 | FIDE Album (1914-1944) (I) | 1971 |
SOLUTION
- SOUND
- Sets
- 1...Re6
- 2.Rxe6#
- 1...Ra8
- 2.Re6#
- 1...Rb8
- 2.Re6#
- 1...Rc8
- 2.Re6#
- 1...Rd8
- 2.Re6#
- 1...Rf8
- 2.Re6#
- 1...Rg8
- 2.Re6#
- 1...Rh8
- 2.Re6#
- 1...Bxd4+
- 2.cxd4#
- 1...Sf2
- 2.Sf3#
- 1...Sc5
- 2.Sf3#
- 1...Se7
- 2.Re6#
- 1...Re6
- Tries
- 1.Se3?
- threat
- 2.Rf5#
- 1...Sexc3
- 2.Sf3#
- 2.Bd6#
- 1...Sxe3
- 2.Sc6#
- 1...Sf2
- 2.Sf3#
- 1...Rf8
- 2.Re6#
- 1...Sd2
- 2.Bd6#
- 1...Sg3
- 2.Sf3#
- 2.Bd6#
- 1...Sc5
- 2.Sf3#
- 1...Sg5
- 2.Bd6#
- 1...Sd6
- 2.Bxd6#
- 1...Sef6
- 2.Sf3#
- 2.Bd6#
- 1...Sf4
- 2.Sf3#
- 1...Se7
- 2.Re6#
- 1...hxg6!
- threat
- 1.Se7?
- threat
- 2.Sc6#
- 2.Rf5#
- 2.Re6#
- 1...Bxd4+
- 2.cxd4#
- 1...Rxa3
- 2.Rf5#
- 2.Re6#
- 1...Rxc4
- 2.Rf5#
- 2.Re6#
- 1...Rxa6
- 2.Rf5#
- 1...Rxe7
- 2.Rf5#
- 1...Sexc3
- 2.Sc6#
- 2.Bd6#
- 2.Re6#
- 1...Sxe7
- 2.Re6#
- 1...hxg6
- 2.Sc6#
- 2.Sxg6#
- 2.Re6#
- 1...Sf2
- 2.Sf3#
- 1...Rb4
- 2.Rf5#
- 2.Re6#
- 1...Rc8
- 2.Rf5#
- 2.Re6#
- 1...Rf8
- 2.Sc6#
- 2.Re6#
- 1...Bc5
- 2.Rf5#
- 2.Re6#
- 1...Bb6
- 2.Sc6#
- 2.Rf5#
- 1...Sd2
- 2.Sc6#
- 2.Bd6#
- 2.Re6#
- 1...Sg3
- 2.Sc6#
- 2.Bd6#
- 2.Re6#
- 1...Sc5
- 2.Sf3#
- 1...Sg5
- 2.Sc6#
- 2.Bd6#
- 1...Sd6
- 2.Sc6#
- 2.Bxd6#
- 1...Sef6
- 2.Sc6#
- 2.Bd6#
- 2.Re6#
- 1...Se3
- 2.Sdc6#
- 2.Sec6#
- 2.Re6#
- 1...Sb4
- 2.Rf5#
- 2.Re6#
- 1...Sb6
- 2.Sdc6#
- 2.Sec6#
- 2.Rf5#
- 1...Sc7
- 2.Sc6#
- 2.Rf5#
- 1...Sf4!
- threat
- 1.Se3?
- Keys
- 1.Sh4!
- threat
- 2.Rf5#
- 1...Bxd4+
- 2.cxd4#
- 1...Sexc3
- 2.Bd6#
- 1...hxg6
- 2.Sxg6#
- 1...Sf2
- 2.Sdf3#
- 1...Rf8
- 2.Re6#
- 1...Sd2
- 2.Bd6#
- 1...Sg3
- 2.Bd6#
- 1...Sc5
- 2.Sdf3#
- 1...Sg5
- 2.Bd6#
- 1...Sd6
- 2.Bxd6#
- 1...Sef6
- 2.Bd6#
- 1...Se3
- 2.Sc6#
- 1...Sf4
- 2.Sf3#
- 1...Se7
- 2.Re6#
- threat
- 1.Sh4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 9
- REMOVED MATES = 7
- Sets
- R(i);N_GUARD::R1(H),XR(i)
- R(i);N_GUARD::R1(H)
- R(i);N_GUARD,P_PINB(I)::R1(H)
- B(g);CHECK,OGATE,XS(F)::P(D),XB(g)
- S(c);N_PINS(F)::S(F)
- S(d);S_CUTR(i)::R1(H)
- Tries
- Try
- S(G);N_SPINS(F)
- Threat
- R1(A)
- Vars
- S(d);XS(G)::S(F)
- S(c);::S(F)
- R(i);N_GUARD::R1(H)
- S(c);N_GUARD::B(C)
- S(c);N_GUARD::B(C),XS(c)
- S(d);SBLOCK::S(F)
- S(d);S_CUTR(i)::R1(H)
- Refutation
- P(h);XB(I)
- Try
- S(G);
- Threat
- DUALS(3)
- Vars
- B(g);CHECK,OGATE,XS(F)::P(D),XB(g)
- R(b);XR(H)::R1(A)
- R(i);XS(G)::R1(A)
- S(d);XS(G)::R1(H)
- S(c);N_PINS(F)::S(F)
- Refutation
- S(d);
- Try
- Actual
- S(G);
- Threat
- R1(A)
- Vars
- B(g);CHECK,OGATE,XS(F)::P(D),XB(g)
- S(c);N_GUARD,XP(D)::B(C)
- P(h);XB(I)::S(G),XP(h)
- S(c);N_PINS(F)::S(F)
- R(i);N_GUARD::R1(H)
- S(c);N_GUARD::B(C)
- S(c);N_GUARD::B(C),XS(c)
- S(d);N_PINS(F)::S(F)
- S(d);SBLOCK::S(G)
- S(d);S_CUTR(i)::R1(H)
Developed and maintained by Brian Stephenson.
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