MESON Chess Problem Database
Problem Display
PID: 238614 (3K1N2/1p3R2/4N3/2Qnkppn/8/1R3P1b/8/1q6 w - - 0 1)
Shanshin, Valery Yurevich
Problemist Ukraini, 2019
#2
7 + 8
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Qa2
- 2.Re3#
- 1...Qa1
- 2.Re3#
- 1...Qd1
- 2.Re3#
- 1...Qf1
- 2.Re3#
- 1...Qh1
- 2.Re3#
- 1...Qb2
- 2.Re3#
- 1...Qa2
- Tries
- 1.Kd7?
- threat
- 2.Sg6#
- 2.Qd4#
- 2.Qd6#
- 1...Qd3
- 2.Sg6#
- 2.Qd6#
- 1...Qe4
- 2.Sg6#
- 2.Qd6#
- 1...Qa1
- 2.Sg6#
- 2.Re3#
- 2.Qd6#
- 1...Qd1
- 2.Sg6#
- 2.Re3#
- 2.Qd6#
- 1...Qg1
- 2.Sg6#
- 2.Qd6#
- 1...Qb2
- 2.Sg6#
- 2.Re3#
- 2.Qd6#
- 1...Sf4
- 2.Qd4#
- 2.Qd6#
- 1...f4
- 2.Qd4#
- 2.Qd6#
- 1...Sf6+!
- threat
- 1.Sd4?
- threat
- 2.Sg6#
- 1...Kf4
- 2.Qd6#
- 1...Sf4
- 2.Sd7#
- 1...f4!
- threat
- 1.Rb5?
- threat
- 2.Qxd5#
- 2.Qc7#
- 1...Qa2
- 2.Qc7#
- 1...Qc2
- 2.Qxd5#
- 1...Qd3
- 2.Qc7#
- 1...Qe4
- 2.Qc7#
- 1...Qc1
- 2.Qxd5#
- 1...Qd1
- 2.Qc7#
- 1...Qb3
- 2.Qc7#
- 1...Qb4
- 2.Qxd5#
- 1...Sf4
- 2.Qc7#
- 1...Sf6
- 2.Qc7#
- 1...Qxb5!
- threat
- 1.Rb6?
- threat
- 2.Sg6#
- 2.Sd7#
- 2.Qd4#
- 2.Qd6#
- 1...f4
- 2.Sd7#
- 2.Qd4#
- 2.Qd6#
- 1...Qd3
- 2.Sg6#
- 2.Sd7#
- 2.Qd6#
- 1...Qe4
- 2.Sg6#
- 2.Sd7#
- 2.Qd6#
- 1...Qa1
- 2.Sg6#
- 2.Sd7#
- 2.Qd6#
- 1...Qd1
- 2.Sg6#
- 2.Sd7#
- 2.Qd6#
- 1...Qg1
- 2.Sg6#
- 2.Sd7#
- 2.Qd6#
- 1...Qb2
- 2.Sg6#
- 2.Sd7#
- 2.Qd6#
- 1...Qb4
- 2.Sg6#
- 2.Sd7#
- 1...Qb5
- 2.Sg6#
- 2.Qd4#
- 2.Qd6#
- 1...Sf4
- 2.Sd7#
- 2.Qd4#
- 2.Qd6#
- 1...Sf6
- 2.Sg6#
- 2.Qd4#
- 2.Qd6#
- 1...Qxb6+!
- threat
- 1.Re7?
- threat
- 2.Sd7#
- 1...Kf6
- 2.Qd4#
- 1...Sf6
- 2.Sg6#
- 1...f4!
- threat
- 1.Qb6?
- threat
- 2.Sg6#
- 2.Sd7#
- 1...Sc3
- 2.Qd4#
- 1...Se3
- 2.Qd4#
- 1...Sb4
- 2.Qd4#
- 1...Sdf4
- 2.Qd4#
- 1...Sdf6
- 2.Qd4#
- 1...Sc7
- 2.Qd4#
- 1...Se7
- 2.Qd4#
- 1...f4
- 2.Sd7#
- 1...Shf4
- 2.Sd7#
- 1...Shf6
- 2.Sg6#
- 1...Sxb6!
- threat
- 1.Qc3+?
- 1...Kd6
- 2.Rd7#
- 1...Sxc3!
- 1...Kd6
- 1.Qc6?
- threat
- 2.Sg6#
- 2.Sd7#
- 1...f4
- 2.Sd7#
- 1...Sdf4
- 2.Sd7#
- 1...Sb6
- 2.Sg6#
- 1...Sdf6
- 2.Sg6#
- 1...Se7
- 2.Sd7#
- 1...Shf4
- 2.Sd7#
- 1...Shf6
- 2.Sg6#
- 1...bxc6!
- threat
- 1.Kd7?
- Keys
- 1.Sc7!
- threat
- 2.Sg6#
- 1...Kf4
- 2.Qd6#
- 1...f4
- 2.Qxd5#
- 1...Sf4
- 2.Sd7#
- threat
- 1.Sc7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 6
- Sets
- Q(a);N_GUARD::R(A)
- Tries
- Try
- K(F);P-FLIGHT
- Threat
- DUALS(3)
- Refutation
- S(g);CHECK
- Try
- S(D);
- Threat
- S(G)
- Vars
- K(d);N_SPINS(c),P_SPINP(e),S_FLIGHT::QAB(C)
- S(g);SBLOCK::S(G)
- Refutation
- P(e);
- Try
- R(A);
- Threat
- DUALS(2)
- Vars
- Q(a);::QAB(C)
- Q(a);::QAR1(C),XS(c)
- S(g);::QAB(C)
- Refutation
- Q(a);XR(A)
- Try
- R(A);
- Threat
- DUALS(4)
- Refutation
- Q(a);CHECK,XR(A)
- Try
- R(E);
- Threat
- S(G)
- Vars
- K(d);N_SPINS(c),S_FLIGHT::QAB(C)
- S(g);SBLOCK::S(G)
- Refutation
- P(e);
- Try
- Q(C);N_PINS(c)
- Threat
- DUALS(2)
- Vars
- S(c);::QAB1(C)
- P(e);::S(G)
- S(g);::S(G)
- Refutation
- S(c);XQ(C)
- Try
- Q(C);CHECK,N_PINS(c)
- Vars
- K(d);S_FLIGHT::R1(E)
- Refutation
- S(c);XQ(C)
- Try
- Q(C);N_PINS(c)
- Threat
- DUALS(2)
- Vars
- P(e);::S(G)
- S(c);::S(G)
- S(g);::S(G)
- Refutation
- P(h);XQ(C)
- Try
- Actual
- S(D);
- Threat
- S(G)
- Vars
- K(d);N_SPINS(c),P_SPINP(e),S_FLIGHT::QAB(C)
- P(e);::QAR1(C),XS(c)
- S(g);SBLOCK::S(G)
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).