MESON Chess Problem Database
Problem Display
PID: 26806 (B1N5/8/2KR4/4k2r/pR4P1/p2pNpPn/1rbQ3n/B3b1q1 w - - 0 1)
Dombrovskis, Alfreds A
Loshinski, Lev Ilich
1st Prize, Themes-64, 1961
#2
10 + 12
| 3749 | FIDE Album (1959-1961) | 1966 |
| 2988 | Izbrannie Kompozitsi | 1985 |
| 133 | The Problemist Supplement | 2012 |
SOLUTION
- SOUND
- Sets
- 1...Qxe3
- 2.Qxe3#
- 1...Bf2
- 2.Qc3#
- 1...Bxg3
- 2.Qc3#
- 1...Sf4
- 2.gxf4#
- 1...a2
- 2.Bxb2#
- 1...Qxe3
- Tries
- 1.Kb5?
- threat
- 2.Sc4#
- 1...Qxe3
- 2.Qxe3#
- 1...Bb3
- 2.Re4#
- 1...Sxg4!
- threat
- 1.Kc5?
- threat
- 2.Re4#
- 1...Qxe3+
- 2.Qxe3#
- 1...Sf2
- 2.Sc4#
- 1...Sg5!
- threat
- 1.Kc7?
- threat
- 2.Sc4#
- 2.Re4#
- 2.Rb5#
- 1...Qxe3
- 2.Qxe3#
- 1...Qxg3
- 2.Sc4#
- 2.Re4#
- 1...Bxg3
- 2.Sc4#
- 2.Re4#
- 2.Qc3#
- 1...Sxg4
- 2.Re4#
- 2.Rb5#
- 1...Bb3
- 2.Re4#
- 1...Sf2
- 2.Sc4#
- 2.Rb5#
- 1...Sf4
- 2.Sc4#
- 2.Re4#
- 2.gxf4#
- 1...Sg5
- 2.Sc4#
- 2.Rb5#
- 1...Rh7+!
- threat
- 1.Kd7?
- threat
- 2.Sc4#
- 2.Re4#
- 2.Rb5#
- 2.Re6#
- 1...Qxe3
- 2.Re6#
- 2.Qxe3#
- 1...Qxg3
- 2.Sc4#
- 2.Re4#
- 2.Re6#
- 1...Bxg3
- 2.Sc4#
- 2.Re4#
- 2.Re6#
- 2.Qc3#
- 1...Sxg4
- 2.Re4#
- 2.Rb5#
- 2.Re6#
- 1...Rh6
- 2.Sc4#
- 2.Re4#
- 2.Rb5#
- 1...Bb3
- 2.Re4#
- 1...Sf2
- 2.Sc4#
- 2.Rb5#
- 2.Re6#
- 1...Sf4
- 2.Sc4#
- 2.Re4#
- 2.gxf4#
- 1...Sg5
- 2.Sc4#
- 2.Rb5#
- 1...Rh7+!
- threat
- 1.Qxe1?
- threat
- 2.Sc4#
- 2.Qc3#
- 1...Qxe3
- 2.Qxe3#
- 1...Qxg3
- 2.Qc3#
- 1...Sxg4
- 2.Qc3#
- 1...d2
- 2.Sc4#
- 1...Qxe1!
- threat
- 1.Qxd3?
- threat
- 2.Sc4#
- 2.Re4#
- 2.Rb5#
- 2.Qb5#
- 2.Qd4#
- 2.Qd5#
- 1...Qxe3
- 2.Qd5#
- 1...Qxg3
- 2.Re4#
- 2.Qb5#
- 2.Qd4#
- 2.Qd5#
- 1...Bxg3
- 2.Re4#
- 2.Qb5#
- 2.Qc3#
- 2.Qd4#
- 2.Qd5#
- 1...Bxb4
- 2.Sc4#
- 2.Qd4#
- 2.Qd5#
- 1...Qf1
- 2.Sc4#
- 2.Re4#
- 2.Rb5#
- 2.Qd4#
- 2.Qd5#
- 1...Bc3
- 2.Sc4#
- 2.Re4#
- 2.Qb5#
- 2.Qxc3#
- 2.Qd5#
- 1...Bb3
- 2.Re4#
- 2.Qe4#
- 2.Qd4#
- 1...Sf2
- 2.Sc4#
- 2.Rb5#
- 2.Qb5#
- 2.Qd4#
- 2.Qd5#
- 1...Sf4
- 2.Sc4#
- 2.Re4#
- 2.Qd4#
- 2.gxf4#
- 1...Sg5
- 2.Sc4#
- 2.Rb5#
- 2.Qb5#
- 2.Qd4#
- 2.Qd5#
- 1...Bxd3!
- threat
- 1.Kb5?
- Keys
- 1.Kb6!
- threat
- 2.Rb5#
- 1...Qxe3+
- 2.Qxe3#
- 1...Qxg3
- 2.Sc4#
- 1...Bxg3
- 2.Qc3#
- 1...Bb3
- 2.Re4#
- 1...Sf4
- 2.gxf4#
- threat
- 1.Kb6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 2
- Sets
- Q(b);OGATE,XS(C)::QAR2(B),XQ(b)
- B(a);N_GUARD::QAB(B)
- B(a);N_GUARD,XP(D)::QAB(B)
- S(i);OGATE::P(D),XS(i)
- P(f);N_GUARD::B(A),XR(c)
- Tries
- Try
- K(G);P_SPINR(E),S_FLIGHT
- Threat
- S(C)
- Vars
- Q(b);OGATE,XS(C)::QAR2(B),XQ(b)
- B(d);N_PINR(E)::R1(E)
- Refutation
- S(e);XP(F)
- Try
- K(G);P-FLIGHT,P_SPINS(C)
- Threat
- R1(E)
- Vars
- Q(b);CHECK,OGATE,XS(C)::QAR2(B),XQ(b)
- S(i);N_PINS(C)::S(C)
- Refutation
- S(i);
- Try
- K(G);P-FLIGHT
- Threat
- DUALS(3)
- Vars
- Q(b);OGATE,XS(C)::QAR2(B),XQ(b)
- B(d);::R1(E)
- Refutation
- R(l);CHECK
- Try
- K(G);S_FLIGHT
- Threat
- DUALS(4)
- Vars
- B(d);::R1(E)
- Refutation
- R(l);CHECK
- Try
- Q(B);XB(a)
- Threat
- DUALS(2)
- Vars
- Q(b);OGATE,P_SPINQ(b),XS(C)::QAR2(B),XQ(b)
- Q(b);XP(D)::QAB(B)
- S(e);XP(F)::QAB(B)
- P(g);::QAR(B)+S(C),DCHECK
- Refutation
- Q(b);XQ(B)
- Try
- Q(B);XP(g)
- Threat
- DUALS(6)
- Vars
- Q(b);XS(C)::QAR1(B)
- Refutation
- B(d);XQ(B)
- Try
- Actual
- K(G);P-FLIGHT,P_SPINR(E),P_SPINS(C)
- Threat
- R(E)
- Vars
- Q(b);CHECK,OGATE,XS(C)::QAR2(B),XQ(b)
- Q(b);N_PINS(C),XP(D)::S(C)
- B(a);N_GUARD,XP(D)::QAB(B)
- B(d);N_PINR(E)::R1(E)
- S(i);OGATE::P(D),XS(i)
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).