MESON Chess Problem Database
Problem Display
PID: 248182 (B3Rn2/B3N3/1P1p4/1K5R/1p1k2P1/3N3Q/1PPbPr2/1q5b w - - 0 1)
Blikeng, Bjarne
1st HM., Arbejder Skak TT (Diaconescu), 1952
#2
13 + 8
| 15601 | Albrecht-Leiss-Degener Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Rxe2
- 2.Sf5#
- 1...Rg2
- 2.Sf5#
- 2.Sc6#
- 1...Rh2
- 2.Sf5#
- 1...Rf3
- 2.Sc6#
- 1...Rf5+
- 2.Sxf5#
- 1...Bf3
- 2.Sf5#
- 1...Be4
- 2.b7#
- 1...Bc6+
- 2.Sxc6#
- 1...Be1
- 2.e3#
- 1...Bc3
- 2.e3#
- 1...Bf4
- 2.Sf5#
- 1...d5
- 2.Sc6#
- 1...Rxe2
- Tries
- 1.Sxf2?
- threat
- 2.Sf5#
- 2.Qd3#
- 2.b7#
- 1...Bc6+
- 2.Sxc6#
- 1...Bxa8
- 2.Qd3#
- 2.b7#
- 1...Bf3
- 2.Sf5#
- 2.b7#
- 1...Bg5
- 2.Sf5#
- 1...Qa2
- 2.Sf5#
- 2.Qd3#
- 1...Qa1
- 2.Sf5#
- 2.Qd3#
- 1...Be4
- 2.b7#
- 1...Bb7
- 2.Qd3#
- 1...Be3
- 2.Sf5#
- 2.b7#
- 1...Se6
- 2.Qd3#
- 1...Sd7
- 2.Sf5#
- 2.Qd3#
- 1...Qxc2!
- threat
- 1.Sf4?
- threat
- 2.Sf5#
- 2.Qd3#
- 1...Bc6+
- 2.Sxc6#
- 1...Rxf4
- 2.Qd3#
- 1...Rf3
- 2.Sf5#
- 2.Sc6#
- 1...Bf3
- 2.Sf5#
- 1...Be4
- 2.b7#
- 1...Be3
- 2.Sf5#
- 1...Se6
- 2.Sxe6#
- 2.Qd3#
- 1...Qxc2!
- threat
- 1.Rd5+?
- 1...Ke4
- 2.Rxd6#
- 1...Bxd5!
- 1...Ke4
- 1.Qe3+?
- 1...Kxe3
- 2.Sf5#
- 1...Bxe3!
- 1...Kxe3
- 1.Qf3?
- threat
- 2.Sf5#
- 2.Sc6#
- 2.Rd5#
- 2.b7#
- 1...Qxc2
- 2.Sf5#
- 2.Rd5#
- 1...Rxf3
- 2.Sc6#
- 1...Bxf3
- 2.Sf5#
- 1...Qa2
- 2.Sf5#
- 2.Sc6#
- 1...Qa1
- 2.Sf5#
- 2.Sc6#
- 2.Rd5#
- 1...Bg5
- 2.Sf5#
- 2.Sc6#
- 2.b7#
- 1...Se6
- 2.Sf5#
- 2.Sc6#
- 2.Rd5#
- 1...Sd7
- 2.Sf5#
- 2.Sc6#
- 2.Rd5#
- 1...d5
- 2.Sf5#
- 2.Sc6#
- 2.Rxd5#
- 2.b7#
- 1...Qxb2!
- threat
- 1.Sxf2?
- Keys
- 1.Sxb4!
- threat
- 2.Qd3#
- 1...Rf5+
- 2.Sxf5#
- 1...Bc6+
- 2.Sexc6#
- 1...Qxc2
- 2.Sxc2#
- 1...Rf3
- 2.Sec6#
- 1...Bf3
- 2.Sf5#
- 1...Bg5
- 2.Qc3#
- 1...Be4
- 2.b7#
- 1...Be3
- 2.c3#
- threat
- 1.Sxb4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 6
- Sets
- R(d);N_GUARD,XP(C)::S(K)
- R(d);N_GUARD::S(K)
- R(d);S_CUTB(b)::S(K)
- R(d);CHECK,N_GUARD::S(K),XR(d)
- B(b);S_CUTR(d)::S(K)
- B(b);SBLOCK::B(J)+P(I)
- B(b);CHECK,N_GUARD::S(K),XB(b)
- B(c);N_GUARD::P(C)
- B(c);S_CUTR(d)::S(K)
- P(g);S_CUTB(b)::S(K)
- Tries
- Try
- S(D);XR(d)
- Threat
- DUALS(3)
- Vars
- B(b);CHECK,N_GUARD::S(K),XB(b)
- B(c);::S(K)
- B(b);::B(J)+P(I)
- B(b);::QAR1(E)
- S(h);::QAR1(E)
- Refutation
- Q(a);XP(B)
- Try
- S(D);
- Threat
- DUALS(2)
- Vars
- B(b);CHECK,N_GUARD::S(K),XB(b)
- R(d);XS(D)::QAR1(E)
- B(b);::S(K)
- B(b);SBLOCK::B(J)+P(I)
- B(c);::S(K)
- Refutation
- Q(a);XP(B)
- Try
- R(H);CHECK
- Vars
- K(f);P-FLIGHT::B(L)+R(H),XP(g)
- Refutation
- B(b);XR(H)
- Try
- Q(E);CHECK
- Vars
- K(f);S_FLIGHT,XQ(E)::R(M)+S(K),DCHECK
- Refutation
- B(c);XQ(E)
- Try
- Q(E);
- Threat
- DUALS(4)
- Vars
- R(d);XQ(E)::S(K)
- B(b);XQ(E)::S(K)
- Refutation
- Q(a);XP(A)
- Try
- Actual
- S(D);XP(e)
- Threat
- QAR1(E)
- Vars
- R(d);CHECK,N_GUARD::S(K),XR(d)
- B(b);CHECK,N_GUARD::S(K),XB(b)
- Q(a);XP(B)::S(D),XQ(a)
- R(d);S_CUTB(b)::S(K)
- B(b);S_CUTR(d)::S(K)
- B(c);N_GUARD::QAB1(E)
- B(b);SBLOCK::B(J)+P(I)
- B(c);N_GUARD::P(B)
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).