MESON Chess Problem Database
Problem Display
PID: 233728 (7q/2n1n3/3Rp1pB/2P1k2N/1pK2N2/3B4/2P2P2/r1R1r1bQ w - - 0 1)
Kuntze, Albrecht
Freie Presse, 1982
#2
11 + 10
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Qg7
- 2.Bxg7#
- 1...Qa8
- 2.Bg7#
- 1...Qb8
- 2.Bg7#
- 1...Qc8
- 2.Bg7#
- 1...Qd8
- 2.Bg7#
- 1...Qe8
- 2.Bg7#
- 1...Ra2
- 2.Rxe1#
- 1...Ra3
- 2.Rxe1#
- 1...Ra4
- 2.Rxe1#
- 1...Ra5
- 2.Rxe1#
- 1...Ra6
- 2.Rxe1#
- 1...Ra7
- 2.Rxe1#
- 1...Ra8
- 2.Rxe1#
- 1...Rxc1
- 2.Qe4#
- 1...Rd1
- 2.Qe4#
- 1...Rf1
- 2.Qe4#
- 1...Re4+
- 2.Qxe4#
- 1...Bh2
- 2.Qxe1#
- 1...Sb5
- 2.Rxe6#
- 1...Scd5
- 2.Rxe6#
- 1...Sa6
- 2.Rxe6#
- 1...Sa8
- 2.Rxe6#
- 1...Se8
- 2.Rxe6#
- 1...Sed5
- 2.Sxg6#
- 1...Sf5
- 2.Sxg6#
- 1...Sc6
- 2.Sxg6#
- 1...Sc8
- 2.Sxg6#
- 1...Sg8
- 2.Sxg6#
- 1...Qg7
- Tries
- 1.Se2?
- threat
- 2.Bf4#
- 2.Qe4#
- 2.f4#
- 1...Qxh6
- 2.Qe4#
- 1...Rxe2
- 2.Bf4#
- 2.f4#
- 1...Bxf2
- 2.Bf4#
- 2.Qe4#
- 1...Qf6
- 2.Qe4#
- 1...Qa8
- 2.Bf4#
- 2.Bg7#
- 2.f4#
- 1...Qf8
- 2.Qe4#
- 1...Rf1
- 2.Bf4#
- 2.Qe4#
- 1...Bh2
- 2.Qe4#
- 2.Qxh2#
- 1...Scd5
- 2.Qe4#
- 1...Sed5
- 2.Qe4#
- 1...g5
- 2.Qe4#
- 1...gxh5!
- threat
- 1.Qd5+?
- 1...Scxd5
- 2.Rxe6#
- 1...Sexd5
- 2.Sxg6#
- 1...exd5+!
- 1...Scxd5
- 1.Se2?
- Keys
- 1.Qa8!
- threat
- 2.Qxa1#
- 2.Qxh8#
- 1...Re4+
- 2.Qxe4#
- 1...Qxh6
- 2.Qxa1#
- 1...Qxa8
- 2.Bg7#
- 1...Raxc1
- 2.Qxh8#
- 1...Rxa8
- 2.Rxe1#
- 1...Rexc1
- 2.Qe4#
- 2.Qxh8#
- 1...Bxf2
- 2.Qxh8#
- 1...Sxa8
- 2.Rxe6#
- 1...Qf6
- 2.Qxa1#
- 1...Qg7
- 2.Bxg7#
- 2.Qxa1#
- 1...Qh7
- 2.Qxa1#
- 1...Qb8
- 2.Bg7#
- 2.Qxa1#
- 1...Qc8
- 2.Bg7#
- 2.Qxa1#
- 1...Qd8
- 2.Bg7#
- 2.Qxa1#
- 1...Qe8
- 2.Bg7#
- 2.Qxa1#
- 1...Qf8
- 2.Qxa1#
- 1...Qg8
- 2.Qxa1#
- 1...Rb1
- 2.Qxh8#
- 1...Ra2
- 2.Rxe1#
- 2.Qxh8#
- 1...Ra3
- 2.Rxe1#
- 2.Qxh8#
- 1...Ra4
- 2.Rxe1#
- 2.Qxh8#
- 1...Ra5
- 2.Rxe1#
- 2.Qxh8#
- 1...Ra6
- 2.Rxe1#
- 2.Qxh8#
- 1...Ra7
- 2.Rxe1#
- 2.Qxh8#
- 1...Sb5
- 2.Rxe6#
- 2.Qxh8#
- 1...Scd5
- 2.Rxe6#
- 1...Sa6
- 2.Rxe6#
- 2.Qxh8#
- 1...Se8
- 2.Rxe6#
- 2.Qxa1#
- 1...Sed5
- 2.Sxg6#
- 1...Sf5
- 2.Sxg6#
- 1...Sc6
- 2.Sxg6#
- 2.Qxh8#
- 1...Sc8
- 2.Sxg6#
- 2.Qxa1#
- 1...Sg8
- 2.Sxg6#
- 2.Qxa1#
- 1...b3
- 2.Qxh8#
- threat
- 1.Qa8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 9
- REMOVED MATES = 21
- Sets
- Q(j);N_GUARD::B(K),XQ(j)
- Q(j);N_GUARD::B(K)
- R(a);N_GUARD::R(A),XR(b)
- R(b);N_GUARD,P_PINP(C),XR(A)::QAR1(B)
- R(b);N_GUARD::QAR1(B)
- R(b);CHECK,N_GUARD::QAR1(B),XR(b)
- B(c);OGATE::QAR(B),XR(b)
- S(h);N_GUARD::R1(J),XP(f)
- S(i);N_GUARD::S(G),XP(g)
- Tries
- Try
- S(G);
- Threat
- DUALS(3)
- Vars
- Q(j);XB(K)::QAR1(B)
- Q(j);::QAR1(B)
- S(h);::QAR1(B)
- S(i);::QAR1(B)
- P(g);::QAR1(B)
- Refutation
- P(g);XS(I)
- Try
- Q(B);CHECK
- Vars
- S(h);XQ(B)::R1(J),XP(f)
- S(i);XQ(B)::S(G),XP(g)
- Refutation
- P(f);CHECK,XQ(B)
- Try
- Actual
- Q(B);
- Threat
- DUALS(2)
- Vars
- R(b);CHECK,N_GUARD::QAR1(B),XR(b)
- Q(j);XB(K)::QAB(B),XR(a)
- Q(j);N_GUARD,XQ(B)::B(K)
- R(a);P_PINP(C),XR(A)::QAB(B),XQ(j)
- R(a);N_GUARD,XQ(B)::R(A),XR(b)
- B(c);XP(D)::QAB(B),XQ(j)
- S(h);N_GUARD,XQ(B)::R1(J),XP(f)
- Q(j);::QAB(B),XR(a)
- R(a);::QAB(B),XQ(j)
- S(h);N_GUARD::R1(J),XP(f)
- S(i);N_GUARD::S(G),XP(g)
- P(d);::QAB(B),XQ(j)
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).