MESON Chess Problem Database
Problem Display
PID: 64397 (1b1Q4/3N1NpK/4B1P1/rR1q3k/3BP3/8/6R1/3b4 w - - 0 1)
Alaikov, Venelin
1st Prize, Magyar Sakkelet, 1982
#2
10 + 6
| 264 | Magyar Sakkelet | 1983 |
| 3752 | FIDE Album (1980-1982) | 1988 |
| 15148 | Sadier Collection | 2014 |
SOLUTION
- SOUND
- Sets
- 1...Qe5
- 2.Rh2#
- 1...Qg5
- 2.Qxg5#
- 1...Bc2
- 2.Bg4#
- 1...Bb3
- 2.Bg4#
- 1...Ba4
- 2.Bg4#
- 1...Bg4
- 2.Bxg4#
- 1...Bh2
- 2.Rxh2#
- 1...Be5
- 2.Qg5#
- 1...Ba7
- 2.Rh2#
- 1...Qe5
- Tries
- 1.Sde5?
- threat
- 2.Rh2#
- 2.Qg5#
- 1...Qxe4
- 2.Qg5#
- 1...Qxe6
- 2.Qg5#
- 1...Qxe5
- 2.Rh2#
- 1...Bxe5
- 2.Qg5#
- 1...Qa2
- 2.Qg5#
- 1...Qb3
- 2.Qg5#
- 1...Ra2
- 2.Qg5#
- 1...Ra3
- 2.Qg5#
- 1...Bg4
- 2.Bxg4#
- 2.Qg5#
- 1...Qxd8!
- threat
- 1.Sxb8?
- threat
- 2.Rh2#
- 1...Ra2
- 2.Rxd5#
- 1...Ra3
- 2.Rxd5#
- 1...Bg4
- 2.Bxg4#
- 1...Qf5!
- threat
- 1.Bf2?
- threat
- 2.Qh4#
- 1...Qg5
- 2.Rgxg5#
- 2.Qxg5#
- 1...Bg3!
- threat
- 1.Be5?
- threat
- 2.Rh2#
- 2.Qg5#
- 1...Qxe4
- 2.Qg5#
- 1...Qxe6
- 2.Qg5#
- 1...Qxe5
- 2.Rh2#
- 1...Bxe5
- 2.Qg5#
- 1...Qa2
- 2.Qg5#
- 1...Qb3
- 2.Qg5#
- 1...Qd3
- 2.Qg5#
- 1...Ra2
- 2.Qg5#
- 1...Ra3
- 2.Qg5#
- 1...Bg4
- 2.Bxg4#
- 2.Qg5#
- 1...Qd2!
- threat
- 1.Rg5+?
- 1...Qxg5
- 2.Qxg5#
- 1...Kh4!
- 1...Qxg5
- 1.Rxd5+?
- 1...Be5
- 2.Rh2#
- 2.Qg5#
- 1...Rxd5!
- 1...Be5
- 1.e5?
- threat
- 2.Rh2#
- 2.Qg5#
- 1...Qxe6
- 2.Qg5#
- 1...Qxd4
- 2.Qg5#
- 1...Qxe5
- 2.Rh2#
- 1...Bxe5
- 2.Qg5#
- 1...Qa2
- 2.Qg5#
- 1...Qb3
- 2.Qg5#
- 1...Qf3
- 2.Qg5#
- 1...Qe4
- 2.Qg5#
- 1...Ra2
- 2.Qg5#
- 1...Ra3
- 2.Qg5#
- 1...Bg4
- 2.Bxg4#
- 2.Qg5#
- 1...Qxg2!
- threat
- 1.Sde5?
- Keys
- 1.Sfe5!
- threat
- 2.Rh2#
- 2.Qg5#
- 1...Qxe4
- 2.Qg5#
- 1...Qxe6
- 2.Qg5#
- 1...Qxe5
- 2.Rh2#
- 1...Bxe5
- 2.Qg5#
- 1...Qa2
- 2.Qg5#
- 1...Qb3
- 2.Qg5#
- 1...Ra2
- 2.Qg5#
- 1...Ra3
- 2.Qg5#
- 1...Bg4
- 2.Bxg4#
- threat
- 1.Sfe5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 6
- REMOVED MATES = 6
- Sets
- Q(c);S_CUTB(f)::R(A)
- Q(c);N_GUARD::QAR1(J),XQ(c)
- B(a);N_GUARD::B(E)
- B(a);N_GUARD::B(E),XB(a)
- B(f);N_GUARD::R(A),XB(f)
- B(f);N_SPINQ(c),S_CUTQ(c)::QAR1(J)
- B(f);N_GUARD::R(A)
- Tries
- Try
- S(G);N_PINQ(c)
- Threat
- DUALS(2)
- Vars
- Q(c);P_PINP(F),XP(C)::QAR1(J)
- Q(c);XB(E)::QAR1(J)
- Q(c);P_SPINQ(c),XS(G)::R(A)
- B(f);XS(G)::QAR1(J)
- Q(c);::QAR1(J)
- R(b);::QAR1(J)
- Refutation
- Q(c);XQ(J)
- Try
- S(G);XB(f)
- Threat
- R(A)
- Vars
- R(b);N_GUARD::R(D),XQ(c)
- B(a);N_GUARD::B(E),XB(a)
- Refutation
- Q(c);P_PINP(F)
- Try
- B(B);
- Threat
- QAR1(J)
- Refutation
- B(f);
- Try
- B(B);N_PINQ(c)
- Threat
- DUALS(2)
- Vars
- Q(c);P_PINP(F),XP(C)::QAR1(J)
- Q(c);XB(E)::QAR1(J)
- Q(c);P_SPINQ(c),XB(B)::R(A)
- B(f);XB(B)::QAR1(J)
- Q(c);::QAR1(J)
- R(b);::QAR1(J)
- Refutation
- Q(c);
- Try
- R(A);CHECK,N_PINQ(c)
- Vars
- Q(c);OGATE,P_SPINQ(c),XR(A)::QAR1(J),XQ(c)
- Refutation
- K(d);P-FLIGHT
- Try
- R(D);CHECK,XQ(c)
- Refutation
- R(b);XR(D)
- Try
- P(C);N_PINQ(c)
- Threat
- DUALS(2)
- Vars
- Q(c);XB(E)::QAR1(J)
- Q(c);XB(B)::QAR1(J)
- Q(c);P_SPINQ(c),XP(C)::R(A)
- B(f);XP(C)::QAR1(J)
- Q(c);::QAR1(J)
- Q(c);P_PINP(F)::QAR1(J)
- R(b);::QAR1(J)
- Refutation
- Q(c);XR(A)
- Try
- Actual
- S(H);N_PINQ(c)
- Threat
- DUALS(2)
- Vars
- Q(c);P_PINP(F),XP(C)::QAR1(J)
- Q(c);XB(E)::QAR1(J)
- Q(c);P_SPINQ(c),XS(H)::R(A)
- B(f);XS(H)::QAR1(J)
- Q(c);::QAR1(J)
- R(b);::QAR1(J)
- B(a);N_GUARD::B(E),XB(a)
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).