MESON Chess Problem Database
Problem Display
PID: 233789 (r2r1N2/1pQ3p1/3n1b2/2P1k3/1N3RP1/p1P1BP2/B4p1q/Kb6 w - - 0 1)
Schneider, Michael
Freie Presse, 1969
#2
11 + 11
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Rd7
- 2.Sxd7#
- 1...Rb8
- 2.Sd7#
- 2.Qxd6#
- 1...Rc8
- 2.Sd7#
- 2.Qxd6#
- 1...Re8
- 2.Sd7#
- 2.Qxd6#
- 1...Rxf8
- 2.Qxd6#
- 1...Bxa2
- 2.Re4#
- 2.Rf5#
- 1...Bd3
- 2.Sxd3#
- 1...Be4
- 2.Rxe4#
- 1...Bf5
- 2.Rxf5#
- 1...Bg6
- 2.Sxg6#
- 1...Be7
- 2.Qxe7#
- 1...b5
- 2.Sc6#
- 1...b6
- 2.Sc6#
- 1...Rd7
- Tries
- 1.Sd5?
- threat
- 2.Bd4#
- 1...Qxf4
- 2.Bxf4#
- 1...Rxf8
- 2.Qxd6#
- 1...Bxa2
- 2.Rf5#
- 1...Ra4!
- threat
- 1.Rxf6?
- threat
- 2.Bd4#
- 2.Re6#
- 2.Qe7#
- 1...Bxa2
- 2.Bd4#
- 2.Rf5#
- 1...gxf6
- 2.Qe7#
- 1...Qf4
- 2.Re6#
- 2.Qe7#
- 1...Qh6
- 2.Bd4#
- 2.Qe7#
- 1...Rd7
- 2.Sxd7#
- 2.Bd4#
- 2.Re6#
- 1...Re8
- 2.Sd7#
- 2.Bd4#
- 2.Qxd6#
- 1...Bf5
- 2.Rxf5#
- 1...Kxf6!
- threat
- 1.Qxd8?
- threat
- 2.Sd7#
- 2.Qxd6#
- 1...Bxa2
- 2.Qxd6#
- 1...Bxd8
- 2.Sd7#
- 1...Ra6
- 2.Sd7#
- 1...Bf5
- 2.Qxd6#
- 1...Be7
- 2.Sd7#
- 2.Qxe7#
- 1...Sc4
- 2.Qd4#
- 2.Qd5#
- 1...Se4
- 2.Sg6#
- 2.Sd7#
- 2.Rf5#
- 2.Qd4#
- 2.Qd5#
- 1...Sb5
- 2.Sd7#
- 2.Qd5#
- 1...Sf5
- 2.Sg6#
- 2.Sd7#
- 2.Qd5#
- 1...Sf7
- 2.Sd7#
- 2.Qd4#
- 2.Qd5#
- 1...Sc8
- 2.Sd7#
- 2.Qd4#
- 2.Qd5#
- 1...Se8
- 2.Sd7#
- 2.Qd4#
- 2.Qd5#
- 1...Rxd8!
- threat
- 1.Qc6?
- threat
- 2.Qd5#
- 1...Bxa2
- 2.Sd3#
- 1...bxc6
- 2.Sxc6#
- 1...Sc4
- 2.Qe6#
- 1...Se4
- 2.Sg6#
- 2.Rf5#
- 2.Qe6#
- 1...Sb5
- 2.Qe6#
- 1...Sf5
- 2.Sg6#
- 2.Qe6#
- 1...Sf7
- 2.Qe6#
- 1...Sc8
- 2.Qe6#
- 1...Se8
- 2.Qe6#
- 1...Be4!
- threat
- 1.Qd7?
- threat
- 2.Qe6#
- 1...Rxd7
- 2.Sxd7#
- 1...Bxa2
- 2.Sg6#
- 1...Re8
- 2.Qxd6#
- 1...Bf5!
- threat
- 1.Qf7?
- threat
- 2.Qd5#
- 2.Qe6#
- 1...Bxa2
- 2.Sd3#
- 2.Sg6#
- 1...Re8
- 2.Sd7#
- 2.Qd5#
- 1...Be4
- 2.Qe6#
- 1...Bf5
- 2.Qd5#
- 1...Sc4
- 2.Qe6#
- 1...Se4
- 2.Sg6#
- 2.Rf5#
- 2.Qe6#
- 1...Sb5
- 2.Qe6#
- 1...Sf5
- 2.Sg6#
- 2.Qe6#
- 1...Sc8
- 2.Qe6#
- 1...Se8
- 2.Qe6#
- 1...Sxf7!
- threat
- 1.cxd6?
- threat
- 2.Qc5#
- 2.d7#
- 1...Rxd6
- 2.Sd7#
- 1...Bxa2
- 2.Re4#
- 2.Rf5#
- 2.d7#
- 1...Ra5
- 2.d7#
- 1...Ra6
- 2.Qc5#
- 1...Rd7
- 2.Sxd7#
- 2.Qc5#
- 1...Rdc8
- 2.Sd7#
- 1...Be4
- 2.Rxe4#
- 2.d7#
- 1...Be7
- 2.Qc5#
- 2.Qxe7#
- 1...b6
- 2.Sc6#
- 2.d7#
- 1...Rac8!
- threat
- 1.Sd5?
- Keys
- 1.Se6!
- threat
- 2.Bd4#
- 1...Qxf4
- 2.Bxf4#
- 1...Bxa2
- 2.Re4#
- threat
- 1.Se6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 9
- Sets
- R(k);N_GUARD::S(K),XR(k)
- R(k);N_GUARD,XS(K)::QAB1(J),XS(f)
- B(a);N_GUARD::S(F),XB(a)
- B(a);N_GUARD::R1(G),XB(a)
- B(a);N_GUARD::S(K),XB(a)
- B(g);N_GUARD::QAR2(J),XB(g)
- P(h);N_GUARD::S(F)
- Tries
- Try
- S(F);
- Threat
- B(D)
- Vars
- Q(c);OGATE,XR(G)::B(D),XQ(c)
- R(k);N_GUARD,XS(K)::QAB1(J),XS(f)
- B(a);N_GUARD,XB(B)::R1(G)
- Refutation
- R(j);
- Try
- R(G);XB(g)
- Threat
- DUALS(3)
- Vars
- P(i);XR(G)::QAR2(J)
- B(a);N_GUARD::R1(G),XB(a)
- Refutation
- K(e);N_SPINS(f),S_FLIGHT,XR(G)
- Try
- Q(J);N_PINS(f),XR(k)
- Threat
- DUALS(2)
- Vars
- B(a);XB(B)::QAB1(J),XS(f)
- B(g);XQ(J)::S(K)
- R(j);::S(K)
- B(a);::QAB1(J),XS(f)
- Refutation
- R(j);XQ(J)
- Try
- Q(J);N_PINS(f)
- Threat
- QAR1(J)
- Vars
- B(a);N_GUARD,XB(B)::S(F)
- P(h);XQ(J)::S(F),XP(h)
- S(f);OGATE::QAR1(J)
- Refutation
- B(a);
- Try
- Q(J);N_PINS(f)
- Threat
- QAR1(J)
- Vars
- R(k);XQ(J)::S(K),XR(k)
- B(a);N_GUARD,XB(B)::S(K)
- R(k);N_GUARD::QAB1(J),XS(f)
- Refutation
- B(a);
- Try
- Q(J);N_PINS(f)
- Threat
- DUALS(2)
- Vars
- B(a);::QAR1(J)
- S(f);::QAR1(J)
- Refutation
- S(f);XQ(J)
- Try
- P(I);XS(f)
- Threat
- DUALS(2)
- Vars
- R(k);N_GUARD,P_SPINR(k),XP(I)::S(K)
- R(j);::QAB(J)+P(I)
- R(j);::QAR2(J)
- R(k);N_GUARD::S(K)
- Refutation
- R(j);
- Try
- Actual
- S(K);
- Threat
- B(D)
- Vars
- Q(c);OGATE,XR(G)::B(D),XQ(c)
- B(a);N_GUARD,XB(B)::R1(G)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
CSS/Javascript (jQuery, Bootstrap & DataTables).