MESON Chess Problem Database
Problem Display
PID: 174201 (B5b1/8/R3P3/4k1NN/3bp1P1/1np5/2n5/1Q1R3K w - - 0 1)
Buchner, Richard
Hamburger Echo, 1929
#2
9 + 7
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Bg1
- 2.Rd5#
- 1...Bf2
- 2.Rd5#
- 1...Be3
- 2.Rd5#
- 1...Bc5
- 2.Rd5#
- 1...Bb6
- 2.Rd5#
- 1...Ba7
- 2.Rd5#
- 1...Bxe6
- 2.Rxe6#
- 1...Bf7
- 2.Sxf7#
- 1...Bh7
- 2.Sf7#
- 1...Sca1
- 2.Qxe4#
- 1...Se1
- 2.Qxe4#
- 1...Sa3
- 2.Qxe4#
- 1...Se3
- 2.Qxe4#
- 1...Sb4
- 2.Qxe4#
- 1...Sba1
- 2.Qb8#
- 1...Sc1
- 2.Qb8#
- 1...Sd2
- 2.Qb8#
- 1...Sa5
- 2.Qb8#
- 1...Sc5
- 2.Qb8#
- 1...e3
- 2.Sf3#
- 1...Bg1
- Tries
- 1.Kh2?
- 1...Bxe6
- 2.Rxe6#
- 1...Bf2
- 2.Rd5#
- 1...Be3
- 2.Rd5#
- 1...Bc5
- 2.Rd5#
- 1...Bb6
- 2.Rd5#
- 1...Ba7
- 2.Rd5#
- 1...Bf7
- 2.Sxf7#
- 1...Bh7
- 2.Sf7#
- 1...Sca1
- 2.Qxe4#
- 1...Se1
- 2.Qxe4#
- 1...Sa3
- 2.Qxe4#
- 1...Se3
- 2.Qxe4#
- 1...Sb4
- 2.Qxe4#
- 1...Sba1
- 2.Qb8#
- 1...Sc1
- 2.Qb8#
- 1...Sd2
- 2.Qb8#
- 1...Sa5
- 2.Qb8#
- 1...Sc5
- 2.Qb8#
- 1...e3
- 2.Sf3#
- 1...Bg1+!
- 1...Bxe6
- 1.Rd2?
- 1...Bxe6
- 2.Rxe6#
- 1...Sxd2
- 2.Qb8#
- 1...Bg1
- 2.Rd5#
- 1...Bf2
- 2.Rd5#
- 1...Be3
- 2.Rd5#
- 1...Bc5
- 2.Rd5#
- 1...Bb6
- 2.Rd5#
- 1...Ba7
- 2.Rd5#
- 1...Bf7
- 2.Sxf7#
- 1...Bh7
- 2.Sf7#
- 1...Sca1
- 2.Qxe4#
- 1...Se1
- 2.Qxe4#
- 1...Sa3
- 2.Qxe4#
- 1...Se3
- 2.Qxe4#
- 1...Sb4
- 2.Qxe4#
- 1...Sba1
- 2.Qb8#
- 1...Sc1
- 2.Qb8#
- 1...Sa5
- 2.Qb8#
- 1...Sc5
- 2.Qb8#
- 1...e3
- 2.Sf3#
- 1...cxd2!
- 1...Bxe6
- 1.Rxd4?
- threat
- 2.Rxe4#
- 2.Rd5#
- 1...Bxe6
- 2.Rxe4#
- 1...Scxd4
- 2.Qxe4#
- 1...Sbxd4
- 2.Qb8#
- 1...Bh7
- 2.Rd5#
- 1...Se3
- 2.Rxe4#
- 2.Qxe4#
- 1...Sb4
- 2.Rxe4#
- 2.Qxe4#
- 1...Sd2
- 2.Rd5#
- 1...Sc5
- 2.Rd5#
- 1...e3
- 2.Sf3#
- 2.Re4#
- 2.Rd5#
- 1...Kxd4!
- threat
- 1.Ra5+?
- 1...Bc5
- 2.Rd5#
- 1...Sxa5
- 2.Qb8#
- 1...Sc5
- 2.Qb8#
- 1...Kd6!
- 1...Bc5
- 1.Qxc2?
- threat
- 2.Qxe4#
- 2.Qh2#
- 1...Bg1
- 2.Rd5#
- 2.Qxe4#
- 1...Bf2
- 2.Rd5#
- 2.Qxe4#
- 1...Be3
- 2.Rd5#
- 2.Qxe4#
- 1...Bh7
- 2.Sf7#
- 2.Qh2#
- 1...Sc5
- 2.Qh2#
- 1...e3
- 2.Sf3#
- 2.Qe4#
- 2.Qf5#
- 2.Qh2#
- 1...Sd2!
- threat
- 1.Qb2?
- 1...Bxe6
- 2.Rxe6#
- 1...Sba1
- 2.Qb8#
- 1...Bg1
- 2.Rd5#
- 1...Bf2
- 2.Rd5#
- 1...Be3
- 2.Rd5#
- 1...Bc5
- 2.Rd5#
- 1...Bb6
- 2.Rd5#
- 1...Ba7
- 2.Rd5#
- 1...Bf7
- 2.Sxf7#
- 1...Bh7
- 2.Sf7#
- 1...Sca1
- 2.Qh2#
- 1...Se1
- 2.Qh2#
- 1...Sa3
- 2.Qh2#
- 1...Se3
- 2.Qh2#
- 1...Sb4
- 2.Qh2#
- 1...Sc1
- 2.Qb8#
- 1...Sd2
- 2.Qb8#
- 1...Sa5
- 2.Qb8#
- 1...Sc5
- 2.Qb8#
- 1...e3
- 2.Sf3#
- 1...cxb2!
- 1...Bxe6
- 1.Qxb3?
- threat
- 2.Qd5#
- 2.Qb8#
- 1...Bxe6
- 2.Rxe6#
- 2.Qxe6#
- 2.Qb8#
- 1...Bc5
- 2.Rd5#
- 2.Qd5#
- 1...Bb6
- 2.Rd5#
- 2.Qd5#
- 1...Ba7
- 2.Rd5#
- 2.Qd5#
- 1...Se3
- 2.Qb8#
- 1...Sb4!
- threat
- 1.Kh2?
- Keys
- 1.Qa2!
- 1...Bxe6
- 2.Rxe6#
- 1...Sba1
- 2.Qd5#
- 1...Bg1
- 2.Rd5#
- 1...Bf2
- 2.Rd5#
- 1...Be3
- 2.Rd5#
- 1...Bc5
- 2.Rd5#
- 1...Bb6
- 2.Rd5#
- 1...Ba7
- 2.Rd5#
- 1...Bf7
- 2.Sxf7#
- 1...Bh7
- 2.Sf7#
- 1...Sca1
- 2.Qh2#
- 1...Se1
- 2.Qh2#
- 1...Sa3
- 2.Qh2#
- 1...Se3
- 2.Qh2#
- 1...Sb4
- 2.Qh2#
- 1...Sc1
- 2.Qd5#
- 1...Sd2
- 2.Qd5#
- 1...Sa5
- 2.Qd5#
- 1...Sc5
- 2.Qd5#
- 1...e3
- 2.Sf3#
- 1...Bxe6
- 1.Qa2!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 10
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- B(d);OGATE::R1(B)
- B(g);OGATE,XP(H)::R1(G),XB(g)
- B(g);N_GUARD::S(E),XB(g)
- B(g);N_GUARD::S(E)
- S(a);OGATE::QAR1(A),XP(e)
- S(b);OGATE::QAB(A)
- P(e);N_GUARD::S(E)
- Tries
- Try
- K(C);P-FLIGHT
- Vars
- B(g);OGATE,XP(H)::R1(G),XB(g)
- B(d);OGATE::R1(B)
- B(g);N_GUARD::S(E),XB(g)
- B(g);N_GUARD::S(E)
- S(a);OGATE::QAR1(A),XP(e)
- S(b);OGATE::QAB(A)
- P(e);N_GUARD::S(E)
- Refutation
- B(d);CHECK
- Try
- R(B);
- Vars
- B(g);OGATE,XP(H)::R1(G),XB(g)
- S(b);OGATE,XR(B)::QAB(A)
- B(d);OGATE::R1(B)
- B(g);N_GUARD::S(E),XB(g)
- B(g);N_GUARD::S(E)
- S(a);OGATE::QAR1(A),XP(e)
- S(b);OGATE::QAB(A)
- P(e);N_GUARD::S(E)
- Refutation
- P(c);XR(B)
- Try
- R(B);XB(d)
- Threat
- DUALS(2)
- Vars
- B(g);XP(H)::R1(B),XP(e)
- S(a);OGATE,XR(B)::QAR1(A),XP(e)
- S(b);OGATE,SBLOCK,XR(B)::QAB(A)
- B(g);::R1(B)
- S(b);::R1(B)
- Refutation
- K(f);S_FLIGHT,XR(B)
- Try
- R(G);CHECK
- Vars
- B(d);OGATE,P_SPINB(d)::R1(B)
- S(b);OGATE,XR(G)::QAB(A)
- S(b);OGATE,P_SPINS(b)::QAB(A)
- Refutation
- K(f);P_SPINB(d),S_FLIGHT
- Try
- Q(A);XS(a)
- Threat
- DUALS(2)
- Vars
- S(b);::QAB(A)
- Refutation
- S(b);
- Try
- Q(A);
- Vars
- B(g);OGATE,XP(H)::R1(G),XB(g)
- S(b);OGATE::QAB(A)
- B(d);OGATE,P_SPINP(c)::R1(B)
- B(g);N_GUARD::S(E),XB(g)
- B(g);N_GUARD::S(E)
- S(a);OGATE::QAB(A)
- P(e);N_GUARD::S(E)
- Refutation
- P(c);XQ(A)
- Try
- Q(A);XS(b)
- Threat
- DUALS(2)
- Vars
- S(a);::QAB(A)
- Refutation
- S(a);
- Try
- Actual
- Q(A);
- Vars
- B(g);OGATE,XP(H)::R1(G),XB(g)
- S(b);OGATE::QAR1(A)
- B(d);OGATE::R1(B)
- B(g);N_GUARD::S(E),XB(g)
- B(g);N_GUARD::S(E)
- S(a);OGATE::QAB(A)
- P(e);N_GUARD::S(E)
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).