MESON Chess Problem Database
Problem Display
PID: 151783 (1B1Q4/8/1P2b2b/n2R1R1n/4k1P1/5N2/K3P3/3N4 w - - 0 1)
Alaikov, Venelin
Probleemblad, 1970
#2
10 + 5
| 15148 | Sadier Collection | 2014 |
SOLUTION
- SOUND
- Sets
- 1...Bxd5+
- 2.Qxd5#
- 1...Bxf5
- 2.Rd4#
- 1...Bd7
- 2.Rd4#
- 2.Rde5#
- 1...Bc8
- 2.Rd4#
- 2.Rde5#
- 1...Bd2
- 2.Sxd2#
- 1...Be3
- 2.Sc3#
- 1...Bg5
- 2.Sxg5#
- 1...Bg7
- 2.Sd2#
- 2.Sg5#
- 1...Bf8
- 2.Sd2#
- 2.Sg5#
- 1...Sb3
- 2.Rde5#
- 1...Sc4
- 2.Rd4#
- 1...Sf4
- 2.Sd2#
- 2.Re5#
- 1...Bxd5+
- Tries
- 1.Kb1?
- threat
- 2.Rd4#
- 2.Rde5#
- 1...Bxd5
- 2.Qxd5#
- 1...Bxf5
- 2.Rd4#
- 1...Be3
- 2.Sc3#
- 2.Rde5#
- 1...Bf4
- 2.Rd4#
- 1...Bg7
- 2.Sd2#
- 2.Sg5#
- 1...Sb3
- 2.Rde5#
- 1...Sc4
- 2.Rd4#
- 1...Sc6!
- threat
- 1.Bf4?
- threat
- 2.Sf2#
- 2.Sc3#
- 2.Sd2#
- 1...Bxd5+
- 2.Qxd5#
- 1...Bxf5
- 2.Rd4#
- 1...Sxf4
- 2.Sd2#
- 2.Re5#
- 1...Bg7
- 2.Sf2#
- 2.Sd2#
- 2.Sg5#
- 1...Sb3
- 2.Sf2#
- 2.Sc3#
- 2.Rde5#
- 1...Sc4
- 2.Sf2#
- 2.Sc3#
- 2.Rd4#
- 1...Bxf4!
- threat
- 1.Rf4+?
- 1...Sxf4
- 2.Sd2#
- 1...Bxf4!
- 1...Sxf4
- 1.Rg5?
- threat
- 2.Sd2#
- 1...Bxd5+
- 2.Qxd5#
- 1...Bxg5
- 2.Sxg5#
- 1...Sc4
- 2.Rd4#
- 1...Sb3!
- threat
- 1.Qg5?
- threat
- 2.Sf2#
- 2.Sc3#
- 2.Sd2#
- 2.Re5#
- 1...Bxf5
- 2.Sc3#
- 2.Rd4#
- 2.Re5#
- 2.Qxf5#
- 1...Bxg5
- 2.Sxg5#
- 1...Bg7
- 2.Sf2#
- 2.Sd2#
- 2.Qe3#
- 1...Sb3
- 2.Sf2#
- 2.Sc3#
- 2.Rde5#
- 2.Rfe5#
- 1...Sc4
- 2.Sf2#
- 2.Sc3#
- 2.Rd4#
- 1...Sc6
- 2.Sf2#
- 2.Sc3#
- 2.Sd2#
- 1...Sf4
- 2.Sd2#
- 2.Rxf4#
- 2.Re5#
- 1...Bxd5+!
- threat
- 1.g5?
- threat
- 2.Sd2#
- 1...Bxd5+
- 2.Qxd5#
- 1...Bxg5
- 2.Sxg5#
- 1...Sb3
- 2.Rde5#
- 1...Sc4!
- threat
- 1.Kb1?
- Keys
- 1.e3!
- threat
- 2.Sd2#
- 1...Bxd5+
- 2.Qxd5#
- 1...Bxe3
- 2.Sc3#
- 1...Sb3
- 2.Rde5#
- 1...Sc4
- 2.Rd4#
- threat
- 1.e3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 3
- Sets
- B(d);CHECK,OGATE,XR(F)::QAB1(J),XB(d)
- B(d);N_PINR(F),XR(G)::R1(F)
- B(e);N_GUARD::S(D),XB(e)
- B(e);SBLOCK::S(A)
- S(b);N_PINR(F)::R1(F)
- Tries
- Try
- K(B);N_SPINR(F),S_FLIGHT
- Threat
- DUALS(2)
- Vars
- B(d);OGATE,XR(F)::QAB1(J),XB(d)
- B(d);XR(G)::R1(F)
- B(e);::R1(F)
- S(b);::R1(F)
- Refutation
- S(b);
- Try
- B(I);
- Threat
- DUALS(3)
- Vars
- B(d);CHECK,OGATE,XR(F)::QAB1(J),XB(d)
- B(d);N_PINR(F),XR(G)::R1(F)
- Refutation
- B(e);XB(I)
- Try
- R(G);CHECK
- Vars
- S(c);XR(G)::S(D)
- Refutation
- B(e);XR(G)
- Try
- R(G);
- Threat
- S(D)
- Vars
- B(d);CHECK,OGATE,XR(F)::QAB1(J),XB(d)
- B(e);XR(G)::S(D),XB(e)
- S(b);N_PINR(F)::R1(F)
- Refutation
- S(b);N_PINR(F)
- Try
- Q(J);
- Threat
- DUALS(4)
- Vars
- B(e);XQ(J)::S(D),XB(e)
- Refutation
- B(d);CHECK,XR(F)
- Try
- P(E);
- Threat
- S(D)
- Vars
- B(d);CHECK,OGATE,XR(F)::QAB1(J),XB(d)
- B(e);XP(E)::S(D),XB(e)
- S(b);N_PINR(F)::R1(F)
- Refutation
- S(b);N_PINR(F)
- Try
- Actual
- P(C);
- Threat
- S(D)
- Vars
- B(d);CHECK,OGATE,XR(F)::QAB1(J),XB(d)
- B(e);SBLOCK,XP(C)::S(A)
- S(b);N_PINR(F)::R1(F)
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).