MESON Chess Problem Database
Problem Display
PID: 226982 (4R3/2p5/1p2n3/7R/1n1kN3/B1p2QK1/B7/b7 w - - 0 1)
Benninger, Max
1st Prize, Schweizerische Arbeiter Schach-Kalendar, 1945
#2
7 + 7
| 15257 | Kunstwerke auf 64 Feldern (1922-1966) (Ott, Kummer, Schudel) | 1968 |
SOLUTION
- SOUND
- Sets
- 1...Sc2
- 2.Rd5#
- 1...Sd3
- 2.Rd5#
- 1...Sd5
- 2.Rxd5#
- 1...Sa6
- 2.Rd5#
- 1...Sc6
- 2.Rd5#
- 1...Sc2
- Tries
- 1.Sf2?
- threat
- 2.Qe4#
- 1...Sg5
- 2.Qe3#
- 1...Sc5
- 2.Qe3#
- 2.Qf6#
- 1...c2!
- threat
- 1.Sc5?
- threat
- 2.Sxe6#
- 2.Qe4#
- 2.Qf2#
- 1...Sxa2
- 2.Qe4#
- 2.Qd3#
- 1...Sxc5
- 2.Qe3#
- 1...Sg5
- 2.Qf2#
- 2.Qe3#
- 1...Sc2
- 2.Sxe6#
- 2.Rd5#
- 2.Qe4#
- 2.Qd3#
- 1...Sd3
- 2.Sxe6#
- 2.Rd5#
- 2.Qe4#
- 2.Qxd3#
- 1...Sd5
- 2.Sxe6#
- 2.Rxd5#
- 2.Qe4#
- 2.Qd3#
- 1...Sf4
- 2.Re4#
- 2.Qe4#
- 2.Qf2#
- 2.Qe3#
- 2.Qxf4#
- 1...Sg7
- 2.Re4#
- 2.Qe4#
- 2.Qg4#
- 2.Qf2#
- 2.Qe3#
- 2.Qf4#
- 2.Qf6#
- 1...Sd8
- 2.Re4#
- 2.Qe4#
- 2.Qg4#
- 2.Qf2#
- 2.Qe3#
- 2.Qf4#
- 2.Qf6#
- 1...Sf8
- 2.Re4#
- 2.Qe4#
- 2.Qg4#
- 2.Qf2#
- 2.Qe3#
- 2.Qf4#
- 2.Qf6#
- 1...c2
- 2.Sxe6#
- 1...bxc5!
- threat
- 1.Sd6?
- threat
- 2.Sb5#
- 2.Qe4#
- 1...Sxa2
- 2.Rd5#
- 2.Qe4#
- 1...Sg5
- 2.Qe3#
- 1...Sc5
- 2.Sb5#
- 2.Sf5#
- 2.Qe3#
- 1...c2
- 2.Sb5#
- 1...b5
- 2.Sxb5#
- 2.Qe4#
- 1...c6
- 2.Qe4#
- 1...cxd6!
- threat
- 1.Sf6?
- threat
- 2.Qe4#
- 1...Sg5
- 2.Qe3#
- 1...Sc5
- 2.Qe3#
- 1...c2!
- threat
- 1.Bc1?
- threat
- 2.Qe3#
- 1...Sc2
- 2.Rd5#
- 1...Sd5
- 2.Rxd5#
- 1...Sxa2!
- threat
- 1.Rd8+?
- 1...Sd5
- 2.Rhxd5#
- 2.Rdxd5#
- 1...Sxd8!
- 1...Sd5
- 1.Qxc3+?
- 1...Kxe4
- 2.Re5#
- 2.Rxe6#
- 1...Bxc3!
- 1...Kxe4
- 1.Sf2?
- Keys
- 1.Sg5!
- threat
- 2.Sxe6#
- 1...Kc5
- 2.Qd5#
- 1...Ke5
- 2.Qf4#
- 1...Sxa2
- 2.Qe4#
- 1...Sxg5
- 2.Qe3#
- 1...Sf4
- 2.Qe3#
- 1...Sc5
- 2.Qe3#
- 1...Sg7
- 2.Qe3#
- 1...Sd8
- 2.Qe3#
- 1...Sf8
- 2.Qe3#
- threat
- 1.Sg5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 9
- REMOVED MATES = 5
- Sets
- S(c);N_GUARD::R1(F)
- S(c);N_GUARD::R1(F),XS(c)
- Tries
- Try
- S(E);
- Threat
- QAR1(C)
- Vars
- S(f);::QAB1(C)
- Refutation
- P(b);
- Try
- S(E);
- Threat
- DUALS(3)
- Vars
- S(f);XS(E)::QAB1(C)
- P(b);::S(E),XS(f)
- Refutation
- P(e);XS(E)
- Try
- S(E);
- Threat
- DUALS(2)
- Vars
- S(f);::QAB1(C)
- P(b);::S(E)
- P(g);::QAR1(C)
- Refutation
- P(g);XS(E)
- Try
- S(E);
- Threat
- QAR1(C)
- Vars
- S(f);::QAB1(C)
- Refutation
- P(b);
- Try
- B(B);
- Threat
- QAB1(C)
- Vars
- S(c);N_GUARD::R1(F)
- S(c);N_GUARD::R1(F),XS(c)
- Refutation
- S(c);XB(A)
- Try
- R(G);CHECK
- Refutation
- S(f);XR(G)
- Try
- Q(C);CHECK,XP(b)
- Refutation
- B(a);XQ(C)
- Try
- Actual
- S(E);
- Threat
- S(E),XS(f)
- Vars
- K(d);P_SPINS(c),S_FLIGHT::QAR1(C)
- K(d);P_SPINS(f),S_FLIGHT::QAB1(C)
- S(c);XB(A)::QAR1(C)
- S(f);XS(E)::QAB1(C)
- S(f);::QAB1(C)
- S(f);SBLOCK::QAB1(C)
Developed and maintained by Brian Stephenson.
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CSS/Javascript (jQuery, Bootstrap & DataTables).