MESON Chess Problem Database
Problem Display
PID: 209839 (1Kn5/2R2N2/1P2Np2/3k1P2/p3pQ2/6r1/4Pb1q/1BB2n1b w - - 0 1)
Blikeng, Bjarne
2nd HM., Suomen Shakki, 1947
#2
10 + 10
| 15148 | Sadier Collection | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Rg1
- 2.Ba2#
- 1...Rg2
- 2.Ba2#
- 2.Bxe4#
- 2.Qxe4#
- 1...Re3
- 2.Rc5#
- 1...Rf3
- 2.Bxe4#
- 2.Qxe4#
- 1...Rg4
- 2.Ba2#
- 1...Rg5
- 2.Ba2#
- 1...Rg6
- 2.Ba2#
- 1...Rg7
- 2.Ba2#
- 1...Rg8
- 2.Ba2#
- 1...Bf3
- 2.Ba2#
- 1...Be1
- 2.Rc5#
- 1...Be3
- 2.Ba2#
- 1...Bc5
- 2.Rxc5#
- 1...Se3
- 2.Rc5#
- 1...Sxb6
- 2.Qd6#
- 1...Sd6
- 2.Qxd6#
- 1...Sa7
- 2.Qd6#
- 1...Se7
- 2.Qd6#
- 1...e3
- 2.Ba2#
- 2.Rc5#
- 2.Qc4#
- 2.Qd4#
- 1...Rg1
- Tries
- 1.Qd2+?
- 1...Rd3
- 2.Ba2#
- 1...Bd4
- 2.Sf4#
- 2.Rc5#
- 2.Qxd4#
- 1...Sxd2!
- 1...Rd3
- 1.Qe3?
- threat
- 2.Sf4#
- 2.Ba2#
- 2.Rc5#
- 1...Bxe3
- 2.Ba2#
- 1...Sxe3
- 2.Rc5#
- 1...Sxb6
- 2.Sf4#
- 2.Rc5#
- 1...Qh4
- 2.Ba2#
- 2.Rc5#
- 1...Qh6
- 2.Ba2#
- 2.Rc5#
- 1...Rg1
- 2.Ba2#
- 1...Rg2
- 2.Ba2#
- 2.Bxe4#
- 2.Qxe4#
- 1...Rf3
- 2.Ba2#
- 2.Bxe4#
- 2.Qxe4#
- 1...Rh3
- 2.Ba2#
- 1...Rg4
- 2.Ba2#
- 1...Rg5
- 2.Ba2#
- 1...Rg6
- 2.Ba2#
- 1...Rg7
- 2.Ba2#
- 1...Rg8
- 2.Ba2#
- 1...Sd2
- 2.Sf4#
- 2.Rc5#
- 1...Sd6
- 2.Sf4#
- 2.Rc5#
- 1...Rxe3!
- threat
- 1.e3?
- threat
- 2.Ba2#
- 2.Rc5#
- 1...Rxe3
- 2.Rc5#
- 1...Sxe3
- 2.Rc5#
- 1...Sxb6
- 2.Rc5#
- 2.Qd6#
- 1...Be1
- 2.Rc5#
- 1...Bg1
- 2.Rc5#
- 1...Sd2
- 2.Rc5#
- 1...Sd6
- 2.Rc5#
- 2.Qxd6#
- 1...Bxe3!
- threat
- 1.Qd2+?
- Keys
- 1.Be3!
- threat
- 2.Ba2#
- 2.Rc5#
- 1...Rxe3
- 2.Rc5#
- 1...Bxe3
- 2.Ba2#
- 1...Sxe3
- 2.Rc5#
- 1...Sxb6
- 2.Rc5#
- 2.Qd6#
- 1...Sd2
- 2.Rc5#
- 1...Sd6
- 2.Rc5#
- 2.Qxd6#
- threat
- 1.Be3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 13
- Sets
- R(e);N_GUARD::B(A)
- R(e);S_CUTB(c)::R1(H)
- B(b);S_CUTR(e)::B(A)
- B(c);N_GUARD::R1(H)
- B(c);S_CUTR(e)::B(A)
- B(c);N_GUARD::R1(H),XB(c)
- S(a);S_CUTB(c)::R1(H)
- S(j);N_GUARD,XP(F)::QAR1(D)
- S(j);N_GUARD::QAR1(D),XS(j)
- S(j);N_GUARD::QAR1(D)
- Tries
- Try
- Q(D);CHECK
- Vars
- R(e);P_PINR(H),P_SPINR(e)::B(A)
- Refutation
- S(a);XQ(D)
- Try
- Q(D);
- Threat
- DUALS(3)
- Vars
- B(c);XQ(D)::B(A)
- S(a);XQ(D)::R1(H)
- R(e);P_PINR(H)::B(A)
- Refutation
- R(e);P_PINR(H),XQ(D)
- Try
- P(C);
- Threat
- DUALS(2)
- Vars
- R(e);XP(C)::R1(H)
- S(a);XP(C)::R1(H)
- B(c);::R1(H)
- S(a);::R1(H)
- Refutation
- B(c);XP(C)
- Try
- Actual
- B(B);
- Threat
- DUALS(2)
- Vars
- R(e);XB(B)::R1(H)
- B(c);XB(B)::B(A)
- S(a);XB(B)::R1(H)
- S(a);::R1(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).