MESON Chess Problem Database
Problem Display
PID: 213673 (8/2p1p3/4Kp1Q/1p4p1/1Rp1pk1P/4n1pR/3P3N/3BN3 w - - 0 1)
Reinhofer, Erwin
Badische Neueste Nachrichten, 1984
#2
9 + 10
| 15148 | Sadier Collection | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Sxd1
- 2.Sg2#
- 1...Sf1
- 2.Sg2#
- 1...Sc2
- 2.Sg2#
- 1...Sg2
- 2.Sxg2#
- 1...Sg4
- 2.Sg2#
- 1...Sd5
- 2.Sg2#
- 1...Sf5
- 2.Sg2#
- 1...gxh2
- 2.dxe3#
- 1...g2
- 2.dxe3#
- 1...c3
- 2.Sd3#
- 1...f5
- 2.Qxg5#
- 1...Sxd1
- Tries
- 1.Sf1?
- threat
- 2.dxe3#
- 1...Sxf1
- 2.Sg2#
- 1...Sc2
- 2.Sg2#
- 1...Sg2
- 2.Sxg2#
- 1...Sg4
- 2.Sg2#
- 1...Sd5
- 2.Sg2#
- 1...Sf5
- 2.Sg2#
- 1...Sxd1!
- threat
- 1.Sg4?
- threat
- 2.dxe3#
- 1...Sxg4
- 2.Sg2#
- 1...Sf1
- 2.Sg2#
- 1...Sc2
- 2.Sg2#
- 1...Sg2
- 2.Sxg2#
- 1...Sd5
- 2.Sg2#
- 1...Sf5
- 2.Sg2#
- 1...Sxd1!
- threat
- 1.Rxc4?
- threat
- 2.Sd3#
- 1...Sxc4
- 2.Sg2#
- 1...bxc4!
- threat
- 1.Qf8?
- 1...Sxd1
- 2.Sg2#
- 1...gxh2
- 2.dxe3#
- 1...gxh4
- 2.Qh6#
- 1...c5
- 2.Qb8#
- 1...Sf1
- 2.Sg2#
- 1...Sc2
- 2.Sg2#
- 1...Sg2
- 2.Sxg2#
- 1...Sg4
- 2.Sg2#
- 1...Sd5
- 2.Sg2#
- 1...Sf5
- 2.Sg2#
- 1...g2
- 2.dxe3#
- 1...c3
- 2.Sd3#
- 1...g4
- 2.Qh6#
- 1...c6
- 2.Qb8#
- 1...f5!
- 1...Sxd1
- 1.Qxf6+?
- 1...Sf5
- 2.Sg2#
- 2.Qe5#
- 2.Qxg5#
- 2.Qxf5#
- 1...exf6!
- 1...Sf5
- 1.hxg5?
- threat
- 2.gxf6#
- 2.g6#
- 1...Sg4
- 2.Sg2#
- 1...Sf5
- 2.Sg2#
- 1...f5
- 2.g6#
- 1...fxg5!
- threat
- 1.Sf1?
- Keys
- 1.Qh8!
- 1...Sxd1
- 2.Sg2#
- 1...gxh2
- 2.dxe3#
- 1...gxh4
- 2.Qh6#
- 1...c5
- 2.Qb8#
- 1...Sf1
- 2.Sg2#
- 1...Sc2
- 2.Sg2#
- 1...Sg2
- 2.Sxg2#
- 1...Sg4
- 2.Sg2#
- 1...Sd5
- 2.Sg2#
- 1...Sf5
- 2.Sg2#
- 1...g2
- 2.dxe3#
- 1...c3
- 2.Sd3#
- 1...g4
- 2.Qh6#
- 1...f5
- 2.Qe5#
- 1...c6
- 2.Qb8#
- 1...Sxd1
- 1.Qh8!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 1
- ADDED MATES = 4
- REMOVED MATES = 0
- Sets
- S(a);N_GUARD,XB(A)::S(B)
- S(a);N_GUARD::S(B)
- S(a);N_GUARD::S(B),XS(a)
- P(b);XS(D)::P(C),XS(a)
- P(b);::P(C),XS(a)
- P(c);N_GUARD,N_SPINP(g),P_SPINP(d)::S(B)
- P(h);N_GUARD::QAB1(I),XP(g)
- Tries
- Try
- S(D);
- Threat
- P(C),XS(a)
- Vars
- S(a);N_GUARD,XS(D)::S(B)
- S(a);N_GUARD::S(B)
- S(a);N_GUARD::S(B),XS(a)
- Refutation
- S(a);XB(A)
- Try
- S(D);
- Threat
- P(C),XS(a)
- Vars
- S(a);N_GUARD,XS(D)::S(B)
- S(a);N_GUARD::S(B)
- S(a);N_GUARD::S(B),XS(a)
- Refutation
- S(a);XB(A)
- Try
- R(F);N_PINP(g),P_PINP(d),XP(c)
- Threat
- S(B)
- Vars
- S(a);N_GUARD,N_SPINP(d),P_SPINP(g),XR(F)::S(B)
- Refutation
- P(f);N_SPINP(d),P_SPINP(g),XR(F)
- Try
- Q(I);N_PINP(g),P_PINP(h)
- Vars
- S(a);N_GUARD,XB(A)::S(B)
- P(b);XS(D)::P(C),XS(a)
- P(g);OGATEB,XP(G)::QAB(I)
- P(i);OGATEB::QAB(I)
- S(a);N_GUARD::S(B)
- S(a);N_GUARD::S(B),XS(a)
- S(a);N_GUARD,N_SPINP(h)::S(B)
- P(b);::P(C),XS(a)
- P(c);N_GUARD,N_SPINP(h),P_SPINP(d)::S(B)
- P(g);OGATEB::QAB(I)
- Refutation
- P(h);
- Try
- Q(I);CHECK,N_PINP(g),XP(h)
- Refutation
- P(j);XQ(I)
- Try
- P(G);XP(g)
- Threat
- DUALS(2)
- Vars
- S(a);N_GUARD::S(B)
- P(h);::QAB(I)+P(G)
- Refutation
- P(h);P_SPINP(h),XP(G)
- Try
- Actual
- Q(I);N_PINP(g)
- Vars
- S(a);N_GUARD,XB(A)::S(B)
- P(b);XS(D)::P(C),XS(a)
- P(g);OGATEB,XP(G)::QAB(I)
- P(i);OGATEB::QAB(I)
- S(a);N_GUARD::S(B)
- S(a);N_GUARD::S(B),XS(a)
- P(b);::P(C),XS(a)
- P(c);N_GUARD,P_SPINP(d)::S(B)
- P(g);OGATEB::QAB(I)
- P(h);OGATE::QAB1(I)
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).