MESON Chess Problem Database
Problem Display
PID: 233268 (8/3pKp2/N1p5/3kN2b/pR4p1/1r2Rr2/B1p1p3/7Q w - - 0 1)
Muller, Dieter
Freie Presse, 1979
#2
7 + 11
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...a3
- 2.Bxb3#
- 1...c5
- 2.Sc7#
- 1...a3
- Tries
- 1.Sd3?
- threat
- 2.Sf4#
- 2.Sc7#
- 2.Re5#
- 1...e1Q
- 2.Sf4#
- 2.Sc7#
- 1...e1R
- 2.Sf4#
- 2.Sc7#
- 1...d6
- 2.Sf4#
- 2.Sc7#
- 1...f6
- 2.Sf4#
- 2.Sc7#
- 1...c5!
- threat
- 1.Sxf3?
- threat
- 2.Se1#
- 2.Sg1#
- 2.Sd2#
- 2.Sh2#
- 2.Sd4#
- 2.Sh4#
- 2.Se5#
- 2.Sg5#
- 2.Rd3#
- 2.Re5#
- 2.Rd4#
- 1...c5
- 2.Se1#
- 2.Sg1#
- 2.Sd2#
- 2.Sh2#
- 2.Sd4#
- 2.Sh4#
- 2.Se5#
- 2.Sg5#
- 1...c1Q
- 2.Se1#
- 2.Sg1#
- 2.Rd3#
- 2.Re5#
- 2.Rd4#
- 1...c1S
- 2.Se1#
- 2.Sg1#
- 2.Sd2#
- 2.Sh2#
- 2.Sd4#
- 2.Sh4#
- 2.Se5#
- 2.Sg5#
- 2.Re5#
- 2.Rd4#
- 1...c1R
- 2.Se1#
- 2.Sg1#
- 2.Rd3#
- 2.Re5#
- 2.Rd4#
- 1...e1Q
- 2.Sxe1#
- 2.Sg1#
- 2.Rd4#
- 1...e1S
- 2.Sxe1#
- 2.Re5#
- 2.Rd4#
- 1...e1B
- 2.Sxe1#
- 2.Sg1#
- 2.Sd2#
- 2.Sh2#
- 2.Sd4#
- 2.Sh4#
- 2.Se5#
- 2.Sg5#
- 2.Rd3#
- 2.Re5#
- 2.Rd4#
- 1...e1R
- 2.Sxe1#
- 2.Sg1#
- 2.Rd4#
- 1...Bg6
- 2.Re5#
- 2.Rd4#
- 1...g3
- 2.Rd3#
- 2.Re5#
- 2.Rd4#
- 1...d6
- 2.Se1#
- 2.Sg1#
- 2.Sd2#
- 2.Sh2#
- 2.Sd4#
- 2.Sh4#
- 2.Se5#
- 2.Sg5#
- 2.Rd3#
- 2.Rd4#
- 1...f6
- 2.Se1#
- 2.Sg1#
- 2.Sd2#
- 2.Sh2#
- 2.Sd4#
- 2.Sh4#
- 2.Se5#
- 2.Sg5#
- 2.Rd3#
- 2.Rd4#
- 1...gxf3!
- threat
- 1.Sxg4?
- threat
- 2.Sf6#
- 2.Rd3#
- 2.Re5#
- 2.Qxf3#
- 1...c5
- 2.Qxf3#
- 1...c1S
- 2.Sf6#
- 2.Re5#
- 2.Qxf3#
- 1...e1Q
- 2.Sf6#
- 2.Qxf3#
- 1...e1S
- 2.Sf6#
- 2.Re5#
- 1...e1R
- 2.Sf6#
- 2.Qxf3#
- 1...Bg6
- 2.Sf6#
- 2.Re5#
- 1...d6
- 2.Sf6#
- 2.Rd3#
- 2.Qxf3#
- 1...f6
- 2.Sxf6#
- 2.Rd3#
- 2.Qxf3#
- 1...Bxg4!
- threat
- 1.Sxd7?
- threat
- 2.Sc7#
- 2.Sb6#
- 2.Sf6#
- 2.Rd3#
- 2.Re5#
- 1...c1S
- 2.Sc7#
- 2.Sb6#
- 2.Sf6#
- 2.Re5#
- 1...e1Q
- 2.Sc7#
- 2.Sb6#
- 2.Sf6#
- 1...e1S
- 2.Sc7#
- 2.Sb6#
- 2.Sf6#
- 2.Re5#
- 1...e1R
- 2.Sc7#
- 2.Sb6#
- 2.Sf6#
- 1...Bg6
- 2.Sc7#
- 2.Sb6#
- 2.Sf6#
- 2.Re5#
- 1...f6
- 2.Sc7#
- 2.Sb6#
- 2.Sxf6#
- 2.Rd3#
- 1...c5!
- threat
- 1.Rbxb3?
- threat
- 2.Rbd3#
- 2.Rb4#
- 1...Kd4
- 2.Rbd3#
- 1...c1Q
- 2.Rbd3#
- 1...c1S
- 2.Rbd3#
- 1...c1R
- 2.Rbd3#
- 1...c5
- 2.Rbd3#
- 1...axb3!
- threat
- 1.Rc4?
- threat
- 2.Sc7#
- 1...Rb7
- 2.Rb4#
- 1...Rxe3!
- threat
- 1.Qa1?
- threat
- 2.Rd4#
- 2.Qd4#
- 1...Rxe3
- 2.Qd4#
- 1...c5
- 2.Sc7#
- 1...Rf4!
- threat
- 1.Sd3?
- Keys
- 1.Ree4!
- threat
- 2.Rbd4#
- 1...Rd3
- 2.Re3#
- 1...c5
- 2.Sc7#
- threat
- 1.Ree4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 1
- Sets
- P(e);N_GUARD::B(B),XR(c)
- P(i);SBLOCK::S(F)
- Tries
- Try
- S(E);
- Threat
- DUALS(3)
- Refutation
- P(i);
- Try
- S(E);XR(d)
- Threat
- DUALS(11)
- Refutation
- P(f);P_SPINP(f),XS(E)
- Try
- S(E);XP(f)
- Threat
- DUALS(4)
- Vars
- P(i);::QAB(A),XR(d)
- Refutation
- B(h);XS(E)
- Try
- S(E);XP(j)
- Threat
- DUALS(5)
- Refutation
- P(i);
- Try
- R(D);P_PINR(d),XR(c)
- Threat
- DUALS(2)
- Vars
- K(g);N_SPINR(d),P-FLIGHT::R1(D)
- P(a);::B(B)+R(D),DCHECK
- P(i);::B(B)+R(D),DCHECK
- Refutation
- P(e);P_SPINP(e),XR(D)
- Try
- R(D);N_PINR(c),P_PINR(d)
- Threat
- S(F)
- Vars
- R(c);OGATEB::B(B)+R(D)
- Refutation
- R(c);P_PINS(E),XR(C)
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- R(d);P_PINS(E),XR(C)::QAR1(A)
- P(i);SBLOCK::S(F)
- Refutation
- R(d);
- Try
- Actual
- R(C);
- Threat
- R1(D)
- Vars
- R(d);OGATEB::QAB(A)+R(C)
- P(i);SBLOCK::S(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).