MESON Chess Problem Database
Problem Display
PID: 56081 (1K6/R1Bk1B1R/1pp3p1/2p2N2/2PNp3/1pQ1P3/r6r/8 w - - 0 1)
Mansfield, Comins
Neue Zurcher Zeitung, 1981
#2
10 + 9
| 4054 | Complete Mansfield/III | 1999 |
SOLUTION
- SOUND
- Sets
- 1...Rab2
- 2.Bxb6#
- 1...Rac2
- 2.Bxb6#
- 1...Rad2
- 2.Bxb6#
- 1...Rae2
- 2.Bxb6#
- 1...Raf2
- 2.Bxb6#
- 1...Rag2
- 2.Bxb6#
- 1...Rhb2
- 2.Bxg6#
- 1...Rhc2
- 2.Bxg6#
- 1...Rhd2
- 2.Bxg6#
- 1...Rhe2
- 2.Bxg6#
- 1...Rhf2
- 2.Bxg6#
- 1...Rhg2
- 2.Bxg6#
- 1...cxd4
- 2.Qxd4#
- 1...b5
- 2.Ba5#
- 1...gxf5
- 2.Bh5#
- 1...g5
- 2.Bh5#
- 1...Rab2
- Tries
- 1.Sf3?
- threat
- 2.Se5#
- 1...exf3
- 2.Qd3#
- 1...gxf5!
- threat
- 1.Sxc6?
- threat
- 2.Se5#
- 1...Kxc6
- 2.Bd5#
- 2.Be8#
- 1...gxf5!
- threat
- 1.Bxh2+?
- 1...Kd8
- 2.Sxc6#
- 2.Se6#
- 2.Rh8#
- 1...Rxa7!
- 1...Kd8
- 1.Bg3+?
- 1...Kd8
- 2.Sxc6#
- 2.Se6#
- 1...Rxa7!
- 1...Kd8
- 1.Bf4+?
- 1...Kd8
- 2.Sxc6#
- 2.Se6#
- 2.Bg5#
- 1...Rxa7!
- 1...Kd8
- 1.Be5+?
- 1...Kd8
- 2.Sxc6#
- 2.Se6#
- 2.Bf6#
- 1...Rxa7!
- 1...Kd8
- 1.Bd6+?
- 1...Kd8
- 2.Sxc6#
- 2.Se6#
- 2.Be7#
- 1...Rxa7!
- 1...Kd8
- 1.Bd8+?
- 1...Kxd8
- 2.Sxc6#
- 2.Se6#
- 1...Rxa7!
- 1...Kxd8
- 1.Bd5+?
- 1...Rxh7
- 2.Bxc6#
- 1...Ke8!
- 1...Rxh7
- 1.Qa5?
- threat
- 2.Bxb6#
- 1...bxa5
- 2.Bxa5#
- 2.Bb6#
- 1...gxf5
- 2.Bh5#
- 1...b5
- 2.Bxh2#
- 2.Bg3#
- 2.Bf4#
- 2.Be5#
- 2.Bb6#
- 2.Bd6#
- 2.Bd8#
- 1...Rxa5!
- threat
- 1.Sf3?
- Keys
- 1.Qd2!
- 1...Raxd2
- 2.Bxb6#
- 1...Rxa7
- 2.Se2#
- 1...Rhxd2
- 2.Bxg6#
- 1...Rxh7
- 2.Sc2#
- 1...cxd4
- 2.Qxd4#
- 1...gxf5
- 2.Bh5#
- 1...Ra1
- 2.Se2#
- 1...Rb2
- 2.Bxb6#
- 1...Rc2
- 2.Bxb6#
- 1...Ra3
- 2.Se2#
- 1...Ra4
- 2.Se2#
- 1...Ra5
- 2.Se2#
- 1...Ra6
- 2.Se2#
- 1...Rh1
- 2.Sc2#
- 1...Re2
- 2.Bxg6#
- 1...Rf2
- 2.Bxg6#
- 1...Rg2
- 2.Bxg6#
- 1...Rh3
- 2.Sc2#
- 1...Rh4
- 2.Sc2#
- 1...Rh5
- 2.Sc2#
- 1...Rh6
- 2.Sc2#
- 1...b2
- 2.Se2#
- 1...b5
- 2.Ba5#
- 1...g5
- 2.Bh5#
- 1...Raxd2
- 1.Qd2!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 13
- REMOVED MATES = 5
- Sets
- R(a);N_GUARD::R(F)+B(G),XP(f)
- R(b);N_GUARD::R(I)+B(H),XP(h)
- P(e);OGATE,XS(D)::QAR(A),XP(e)
- P(f);OGATE::R(F)+B(G)
- P(h);OGATE,XS(E)::R(I)+B(H)
- P(h);OGATE::R(I)+B(H)
- Tries
- Try
- S(D);
- Threat
- S(D)
- Vars
- P(d);N_GUARD,XS(D)::QAR(A)
- Refutation
- P(h);XS(E)
- Try
- S(D);XP(g)
- Threat
- S(D)
- Refutation
- P(h);XS(E)
- Try
- B(G);CHECK,XR(b)
- Refutation
- R(a);XR(F)
- Try
- B(G);CHECK
- Refutation
- R(a);XR(F)
- Try
- B(G);CHECK
- Refutation
- R(a);XR(F)
- Try
- B(G);CHECK
- Refutation
- R(a);XR(F)
- Try
- B(G);CHECK
- Refutation
- R(a);XR(F)
- Try
- B(G);CHECK
- Refutation
- R(a);XR(F)
- Try
- B(H);CHECK
- Vars
- R(b);XR(I)::B(H),XP(g)
- Refutation
- K(i);S_FLIGHT
- Try
- Q(A);
- Threat
- R(F)+B(G),XP(f)
- Vars
- P(h);OGATE,XS(E)::R(I)+B(H)
- Refutation
- R(a);XQ(A)
- Try
- Actual
- Q(A);
- Vars
- R(a);N_GUARD,XQ(A)::R(F)+B(G),XP(f)
- R(a);N_GUARD,XR(F)::QAR(A)+S(D)
- R(b);N_GUARD,XQ(A)::R(I)+B(H),XP(h)
- R(b);N_GUARD,XR(I)::QAR(A)+S(D)
- P(e);OGATE,P_SPINP(e),XS(D)::QAR(A),XP(e)
- P(h);OGATE,XS(E)::R(I)+B(H)
- R(a);N_GUARD::QAR(A)+S(D)
- R(a);N_GUARD::R(F)+B(G),XP(f)
- R(b);N_GUARD::QAR(A)+S(D)
- R(b);N_GUARD::R(I)+B(H),XP(h)
- P(c);S_CUTR(a)::QAR(A)+S(D)
- P(f);OGATE::R(F)+B(G)
- P(h);OGATE::R(I)+B(H)
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).