MESON Chess Problem Database
Problem Display
PID: 92274 (4n2K/1N2Np2/1pQ2P2/bP2kP2/1pR5/1pr1p3/1B2Pn2/8 w - - 0 1)
Massmann, Wilhelm Karl Heinrich
Schachaufgaben, 1908
#2
10 + 10
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Sd1
- 2.Re4#
- 1...Sh1
- 2.Re4#
- 1...Sd3
- 2.Re4#
- 1...Sh3
- 2.Re4#
- 1...Se4
- 2.Rxe4#
- 1...Sg4
- 2.Re4#
- 1...Sd6
- 2.Qxd6#
- 1...Sxf6
- 2.Qd6#
- 2.Qc7#
- 1...Sc7
- 2.Qd6#
- 1...Sg7
- 2.Qd6#
- 1...Sd1
- Tries
- 1.Kh7?
- 1...Se4
- 2.Rxe4#
- 1...Sd6
- 2.Qxd6#
- 1...Sd1
- 2.Re4#
- 1...Sh1
- 2.Re4#
- 1...Sd3
- 2.Re4#
- 1...Sh3
- 2.Re4#
- 1...Sg4
- 2.Re4#
- 1...Sc7
- 2.Qd6#
- 1...Sg7
- 2.Qd6#
- 1...Sxf6+!
- 1...Se4
- 1.Kg8?
- 1...Se4
- 2.Rxe4#
- 1...Sd6
- 2.Qxd6#
- 1...Sd1
- 2.Re4#
- 1...Sh1
- 2.Re4#
- 1...Sd3
- 2.Re4#
- 1...Sh3
- 2.Re4#
- 1...Sg4
- 2.Re4#
- 1...Sc7
- 2.Qd6#
- 1...Sg7
- 2.Qd6#
- 1...Sxf6+!
- 1...Se4
- 1.Sc5?
- threat
- 2.Sd7#
- 1...Sxf6
- 2.Qc7#
- 1...Se4
- 2.Sd3#
- 2.Rxe4#
- 1...bxc5!
- threat
- 1.Sd8?
- threat
- 2.Sxf7#
- 1...Se4
- 2.Rxe4#
- 1...Sd6!
- threat
- 1.Sg6+?
- 1...fxg6
- 2.Qe6#
- 1...Kxf5!
- 1...fxg6
- 1.Ba1?
- 1...Sxf6
- 2.Qd6#
- 2.Qc7#
- 1...Se4
- 2.Rxe4#
- 1...Sd6
- 2.Qxd6#
- 1...Sd1
- 2.Re4#
- 1...Sh1
- 2.Re4#
- 1...Sd3
- 2.Re4#
- 1...Sh3
- 2.Re4#
- 1...Sg4
- 2.Re4#
- 1...Sc7
- 2.Qd6#
- 1...Sg7
- 2.Qd6#
- 1...b2!
- 1...Sxf6
- 1.Rxb4?
- threat
- 2.Bxc3#
- 2.Qxc3#
- 1...Se4
- 2.Rxe4#
- 1...Sd1
- 2.Re4#
- 1...Bxb4!
- threat
- 1.Rf4?
- 1...Sxf6
- 2.Qd6#
- 2.Qc7#
- 1...Se4
- 2.Rxe4#
- 1...Sd6
- 2.Qxd6#
- 1...Sd1
- 2.Re4#
- 1...Sh1
- 2.Re4#
- 1...Sd3
- 2.Re4#
- 1...Sh3
- 2.Re4#
- 1...Sg4
- 2.Re4#
- 1...Sc7
- 2.Qd6#
- 1...Sg7
- 2.Qd6#
- 1...Kxf4!
- 1...Sxf6
- 1.Rg4?
- 1...Sxf6
- 2.Qd6#
- 2.Qc7#
- 1...Se4
- 2.Rxe4#
- 1...Sd6
- 2.Qxd6#
- 1...Sd1
- 2.Re4#
- 1...Sh1
- 2.Re4#
- 1...Sd3
- 2.Re4#
- 1...Sh3
- 2.Re4#
- 1...Sc7
- 2.Qd6#
- 1...Sg7
- 2.Qd6#
- 1...Sxg4!
- 1...Sxf6
- 1.Rh4?
- 1...Sxf6
- 2.Qd6#
- 2.Qc7#
- 1...Se4
- 2.Rxe4#
- 1...Sd6
- 2.Qxd6#
- 1...Sd1
- 2.Re4#
- 1...Sh1
- 2.Re4#
- 1...Sd3
- 2.Re4#
- 1...Sh3
- 2.Re4#
- 1...Sc7
- 2.Qd6#
- 1...Sg7
- 2.Qd6#
- 1...Sg4!
- 1...Sxf6
- 1.Kh7?
- Keys
- 1.Rd4!
- 1...Kxd4
- 2.Qd5#
- 1...Rxc6
- 2.Rc4#
- 1...Sxf6
- 2.Qd6#
- 1...Se4
- 2.Rxe4#
- 1...Sd6
- 2.Qxd6#
- 1...Rc1
- 2.Re4#
- 1...Rc2
- 2.Re4#
- 1...Rd3
- 2.Re4#
- 1...Rc4
- 2.Rxc4#
- 2.Re4#
- 1...Rc5
- 2.Rc4#
- 2.Re4#
- 1...Sd1
- 2.Re4#
- 1...Sh1
- 2.Re4#
- 1...Sd3
- 2.Re4#
- 1...Sh3
- 2.Re4#
- 1...Sg4
- 2.Re4#
- 1...Sc7
- 2.Qd6#
- 1...Sg7
- 2.Qd6#
- 1...Kxd4
- 1.Rd4!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 6
- REMOVED MATES = 0
- Sets
- S(a);N_GUARD::R1(C)
- S(a);N_GUARD::R1(C),XS(a)
- S(j);N_GUARD::QAB1(F),XS(j)
- S(j);N_GUARD::QAB1(F)
- Tries
- Try
- K(J);P-FLIGHT
- Vars
- S(a);N_GUARD::R1(C),XS(a)
- S(j);N_GUARD::QAB1(F),XS(j)
- S(a);N_GUARD::R1(C)
- S(j);N_GUARD::QAB1(F)
- Refutation
- S(j);CHECK,XP(G)
- Try
- K(J);P-FLIGHT
- Vars
- S(a);N_GUARD::R1(C),XS(a)
- S(j);N_GUARD::QAB1(F),XS(j)
- S(a);N_GUARD::R1(C)
- S(j);N_GUARD::QAB1(F)
- Refutation
- S(j);CHECK,XP(G)
- Try
- S(H);
- Threat
- S(H)
- Vars
- S(j);N_GUARD,SBLOCK,XP(G)::QAB(F)
- Refutation
- P(h);XS(H)
- Try
- S(H);
- Threat
- S(H),XP(i)
- Vars
- S(a);N_GUARD::R1(C),XS(a)
- Refutation
- S(j);
- Try
- S(I);CHECK
- Vars
- P(i);XS(I)::QAR1(F)
- Refutation
- K(g);N_SPINR(c),P-FLIGHT,XP(E)
- Try
- B(A);
- Vars
- S(a);N_GUARD::R1(C),XS(a)
- S(j);N_GUARD::QAB1(F),XS(j)
- S(a);N_GUARD::R1(C)
- S(j);N_GUARD::QAB1(F)
- Refutation
- P(b);N_SPINR(c)
- Try
- R(C);XP(e)
- Threat
- DUALS(2)
- Vars
- S(a);N_GUARD::R1(C),XS(a)
- S(a);N_GUARD::R1(C)
- Refutation
- B(f);XR(C)
- Try
- R(C);
- Vars
- S(a);N_GUARD::R1(C),XS(a)
- S(j);N_GUARD::QAB1(F),XS(j)
- S(a);N_GUARD::R1(C)
- S(j);N_GUARD::QAB1(F)
- Refutation
- K(g);N_SPINR(c),S_FLIGHT,XR(C)
- Try
- R(C);
- Vars
- S(a);N_GUARD::R1(C),XS(a)
- S(j);N_GUARD::QAB1(F),XS(j)
- S(a);N_GUARD::R1(C)
- S(j);N_GUARD::QAB1(F)
- Refutation
- S(a);XR(C)
- Try
- R(C);
- Vars
- S(a);N_GUARD::R1(C),XS(a)
- S(j);N_GUARD::QAB1(F),XS(j)
- S(a);N_GUARD::R1(C)
- S(j);N_GUARD::QAB1(F)
- Refutation
- S(a);
- Try
- Actual
- R(C);N_PINR(c)
- Vars
- K(g);P_SPINR(c),S_FLIGHT,XR(C)::QAR1(F)
- R(c);OGATEB,XQ(F)::B(A)+R(C)
- S(j);N_GUARD,XP(G)::QAB1(F)
- S(a);N_GUARD::R1(C),XS(a)
- S(j);N_GUARD::QAB1(F),XS(j)
- R(c);::B(A)+R(C),DCHECK
- S(a);N_GUARD::R1(C)
- S(j);N_GUARD::QAB1(F)
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).