MESON Chess Problem Database
Problem Display
PID: 28298 (8/4p1n1/5pK1/1Q1N1P2/1P2k3/r1p4p/b1N2nPB/5B2 w - - 0 1)
Karstedt, Max AKS
1st Prize, Tagliche Rundschau, 1897
#2
9 + 9
| 3242 | BCPS Rapid Solving (Cheltenham) | 2001 |
SOLUTION
- SOUND
- Sets
- 1...Rb3
- 2.Qc4#
- 1...Ra4
- 2.Sxc3#
- 1...Ra5
- 2.Sxc3#
- 1...Ra6
- 2.Sxc3#
- 1...Ra7
- 2.Sxc3#
- 1...Ra8
- 2.Sxc3#
- 1...Bb1
- 2.Qc4#
- 1...Bb3
- 2.Sxc3#
- 1...Bc4
- 2.Qxc4#
- 1...Bxd5
- 2.Qe2#
- 1...Sd1
- 2.Bd3#
- 2.Qd3#
- 1...Sh1
- 2.Bd3#
- 2.Qd3#
- 1...Sd3
- 2.Bxd3#
- 2.Qxd3#
- 1...Sg4
- 2.Bd3#
- 2.Qd3#
- 1...hxg2
- 2.Bxg2#
- 1...e5
- 2.Sxf6#
- 1...e6
- 2.Sxf6#
- 1...Rb3
- Tries
- 1.Sb6?
- threat
- 2.Qe2#
- 1...Sxf5
- 2.Qxf5#
- 1...Bc4
- 2.Qxc4#
- 1...Sd1
- 2.Bd3#
- 2.Qd3#
- 1...Sd3
- 2.Bxd3#
- 2.Qxd3#
- 1...Sg4
- 2.Bd3#
- 2.Qd3#
- 1...Bf7+!
- threat
- 1.Sc7?
- threat
- 2.Qe2#
- 1...Sxf5
- 2.Qxf5#
- 1...Bc4
- 2.Qxc4#
- 1...Sd1
- 2.Bd3#
- 2.Qd3#
- 1...Sd3
- 2.Bxd3#
- 2.Qxd3#
- 1...Sg4
- 2.Bd3#
- 2.Qd3#
- 1...Bf7+!
- threat
- 1.Sxe7?
- threat
- 2.Qe2#
- 1...Sxf5
- 2.Qxf5#
- 1...Bc4
- 2.Qxc4#
- 1...Sd1
- 2.Bd3#
- 2.Qd3#
- 1...Sd3
- 2.Bxd3#
- 2.Qxd3#
- 1...Sg4
- 2.Bd3#
- 2.Qd3#
- 1...Bf7+!
- threat
- 1.Be2?
- threat
- 2.Bf3#
- 1...Bc4
- 2.Qxc4#
- 1...hxg2!
- threat
- 1.Qb6?
- threat
- 2.Qd4#
- 1...Kxd5
- 2.Qb7#
- 1...Sxf5
- 2.Qe6#
- 1...Se6
- 2.Qxe6#
- 1...e5
- 2.Sxf6#
- 1...hxg2!
- threat
- 1.gxh3?
- threat
- 2.Bg2#
- 1...Kf3
- 2.Qe2#
- 1...Bc4!
- threat
- 1.Sb6?
- Keys
- 1.Qa6!
- 1...Kxd5
- 2.Qb7#
- 1...Rxa6
- 2.Sxc3#
- 1...Bxd5
- 2.Qe2#
- 1...Sxf5
- 2.Qe6#
- 1...hxg2
- 2.Bxg2#
- 1...Sh5
- 2.Qe6#
- 1...Rb3
- 2.Qc4#
- 1...Ra4
- 2.Sxc3#
- 1...Ra5
- 2.Sxc3#
- 1...Bb1
- 2.Qc4#
- 1...Bb3
- 2.Sxc3#
- 1...Bc4
- 2.Qxc4#
- 1...Sd1
- 2.Qd3#
- 1...Sh1
- 2.Qd3#
- 1...Sd3
- 2.Qxd3#
- 1...Sg4
- 2.Qd3#
- 1...Se6
- 2.Qxe6#
- 1...Se8
- 2.Qe6#
- 1...e5
- 2.Sxf6#
- 1...e6
- 2.Sxf6#
- 1...Kxd5
- 1.Qa6!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 9
- REMOVED MATES = 2
- Sets
- R(c);S_CUTB(a)::QAR2(F)
- R(c);N_GUARD::S(G),XP(d)
- B(a);N_GUARD::QAR2(F)
- B(a);S_CUTR(c)::S(G),XP(d)
- B(a);N_GUARD::QAR2(F),XB(a)
- B(a);SBLOCK,XS(G)::QAR2(F)
- P(e);OGATE,XP(C)::B(A),XP(e)
- P(h);N_GUARD::S(G),XP(g)
- Tries
- Try
- S(G);
- Threat
- QAR2(F)
- Vars
- S(i);OGATE,XP(H)::QAB1(F),XS(i)
- B(a);N_GUARD::QAR2(F),XB(a)
- Refutation
- B(a);CHECK
- Try
- S(G);
- Threat
- QAR2(F)
- Vars
- S(i);OGATE,XP(H)::QAB1(F),XS(i)
- B(a);N_GUARD::QAR2(F),XB(a)
- Refutation
- B(a);CHECK
- Try
- S(G);XP(h)
- Threat
- QAR2(F)
- Vars
- S(i);OGATE,XP(H)::QAB1(F),XS(i)
- B(a);N_GUARD::QAR2(F),XB(a)
- Refutation
- B(a);CHECK
- Try
- B(A);
- Threat
- B(A)
- Vars
- B(a);N_GUARD::QAR2(F),XB(a)
- Refutation
- P(e);XP(C)
- Try
- Q(F);
- Threat
- QAR1(F)
- Vars
- K(f);OGATEB,S_FLIGHT,XS(G)::QAB(F)
- S(i);N_GUARD,XP(H)::QAR2(F)
- S(i);N_GUARD::QAR2(F),XS(i)
- P(h);N_GUARD::S(G),XP(g)
- Refutation
- P(e);XP(C)
- Try
- P(C);XP(e)
- Threat
- B(A)
- Vars
- K(f);S_FLIGHT::QAB1(F)
- Refutation
- B(a);
- Try
- Actual
- Q(F);
- Vars
- K(f);OGATEB,S_FLIGHT,XS(G)::QAB(F)
- R(c);N_GUARD,XQ(F)::S(G),XP(d)
- B(a);SBLOCK,XS(G)::QAR2(F)
- S(i);N_GUARD,XP(H)::QAR2(F)
- P(e);OGATE,XP(C)::B(A),XP(e)
- S(i);N_GUARD::QAR2(F)
- R(c);S_CUTB(a)::QAR2(F)
- R(c);N_GUARD::S(G),XP(d)
- B(a);N_GUARD::QAR2(F)
- B(a);S_CUTR(c)::S(G),XP(d)
- B(a);N_GUARD::QAR2(F),XB(a)
- S(b);N_GUARD::QAB1(F)
- S(b);N_GUARD::QAB1(F),XS(b)
- S(i);N_GUARD::QAR2(F),XS(i)
- P(h);N_GUARD::S(G),XP(g)
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