MESON Chess Problem Database
Problem Display
PID: 37737 (b4r2/7r/n7/2p1N1Rp/3kP3/3PN2p/5p2/b1QR1K2 w - - 0 1)
Schonholzer, Andreas
7th Place, Match: Austria - Switzerland, 1977
#2
8 + 10
| 3690 | Kunstschach in der Schweiz | 1980 |
SOLUTION
- SOUND
- Sets
- 1...Rb7
- 2.Sc6#
- 1...Rf3
- 2.Sxf3#
- 1...Rb8
- 2.Sf3#
- 1...Rc8
- 2.Sf3#
- 1...Rd8
- 2.Sf3#
- 1...Re8
- 2.Sf3#
- 1...Rg8
- 2.Sf3#
- 1...Rh8
- 2.Sf3#
- 1...Bc3
- 2.Sc2#
- 1...Bc6
- 2.Sxc6#
- 1...Rb7
- Tries
- 1.Sg2?
- threat
- 2.Qxa1#
- 2.Qc4#
- 1...Bxe4
- 2.Qc4#
- 1...Rf5
- 2.Qxa1#
- 1...c4
- 2.Qxc4#
- 1...Rb7
- 2.Sc6#
- 2.Qc4#
- 1...Rb8
- 2.Sf3#
- 2.Qc4#
- 1...Bb2
- 2.Qxb2#
- 2.Qc4#
- 1...Bc3
- 2.Qe3#
- 1...Bd5
- 2.Qxa1#
- 1...hxg2+!
- threat
- 1.S3c4?
- threat
- 2.Qxa1#
- 1...Rb7
- 2.Sc6#
- 1...Rb8
- 2.Sf3#
- 1...Bb2
- 2.Qxb2#
- 1...Bc3
- 2.Qe3#
- 1...Bxe4!
- threat
- 1.S3g4?
- threat
- 2.Qxa1#
- 2.Qc4#
- 1...Bxe4
- 2.Qc4#
- 1...c4
- 2.Qxc4#
- 1...Rb7
- 2.Sc6#
- 2.Qc4#
- 1...Rb8
- 2.Sf3#
- 2.Qc4#
- 1...Bb2
- 2.Qxb2#
- 2.Qc4#
- 1...Bc3
- 2.Qe3#
- 1...Bd5
- 2.Qxa1#
- 1...hxg4!
- threat
- 1.Sd5?
- threat
- 2.Qe3#
- 2.Qxa1#
- 2.Qc4#
- 1...Rf5
- 2.Qxa1#
- 1...c4
- 2.Qe3#
- 2.Qxc4#
- 1...Rb7
- 2.Sc6#
- 2.Qe3#
- 2.Qc4#
- 1...Rf3
- 2.Sxf3#
- 2.Qxa1#
- 2.Qc4#
- 1...Rb8
- 2.Sf3#
- 2.Qe3#
- 2.Qc4#
- 1...Bb2
- 2.Qxb2#
- 2.Qe3#
- 2.Qc4#
- 1...Bc3
- 2.Qe3#
- 2.Qxc3#
- 1...Bxd5!
- threat
- 1.S5g4?
- threat
- 2.Qxa1#
- 2.Qc4#
- 1...Rb7
- 2.Rd5#
- 2.Qc4#
- 1...Rb8
- 2.Sf5#
- 2.Qc4#
- 1...Bb2
- 2.Qxb2#
- 2.Qc4#
- 1...Bc3
- 2.Sc2#
- 1...Bd5
- 2.Rxd5#
- 2.Qxa1#
- 1...c4
- 2.Qxc4#
- 1...hxg4!
- threat
- 1.Sg2?
- Keys
- 1.S5c4!
- threat
- 2.Qxa1#
- 1...Rb7
- 2.Rd5#
- 1...Rb8
- 2.Sf5#
- 1...Bb2
- 2.Qxb2#
- 1...Bc3
- 2.Sc2#
- threat
- 1.S5c4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 1
- REMOVED MATES = 7
- Sets
- R(h);S_CUTB(i)::S(G)
- R(j);N_GUARD::S(G),XR(j)
- R(j);N_GUARD::S(G)
- B(a);SBLOCK::S(E)
- B(i);N_GUARD::S(G),XB(i)
- Tries
- Try
- S(E);
- Threat
- DUALS(2)
- Vars
- B(i);XP(F)::QAR1(A)
- R(j);::QAB(A),XB(a)
- P(e);::QAR1(A),XP(e)
- B(a);SBLOCK::QAB1(A)
- B(i);::QAB(A),XB(a)
- Refutation
- P(c);CHECK,XS(E)
- Try
- S(E);
- Threat
- QAB(A),XB(a)
- Vars
- R(h);S_CUTB(i)::S(G)
- R(j);N_GUARD::S(G)
- B(a);N_GUARD::QAB(A),XB(a)
- B(a);SBLOCK::QAB1(A)
- Refutation
- B(i);XP(F)
- Try
- S(E);
- Threat
- DUALS(2)
- Vars
- B(i);XP(F)::QAR1(A)
- P(e);::QAR1(A),XP(e)
- B(a);SBLOCK::QAB1(A)
- B(i);::QAB(A),XB(a)
- Refutation
- P(f);XS(E)
- Try
- S(E);
- Threat
- DUALS(3)
- Vars
- R(j);::QAB(A),XB(a)
- Refutation
- B(i);XS(E)
- Try
- S(G);
- Threat
- DUALS(2)
- Vars
- B(a);SBLOCK::S(E)
- P(e);::QAR1(A),XP(e)
- Refutation
- P(f);XS(G)
- Try
- Actual
- S(G);
- Threat
- QAB(A),XB(a)
- Vars
- R(h);S_CUTB(i)::R1(H)
- R(j);N_GUARD::S(E)
- B(a);N_GUARD::QAB(A),XB(a)
- B(a);SBLOCK::S(E)
Developed and maintained by Brian Stephenson.
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