MESON Chess Problem Database
Problem Display
PID: 138811 (bb1R2B1/q7/3Q3n/p2n1pN1/3p4/1P1kP3/1B3RN1/7K w - - 0 1)
Sukhodolov, Nikolai
5th Comm., Hirschenson JT, 2010
#2
10 + 9
| 145 | StrateGems | 2010 |
SOLUTION
- SOUND
- Sets
- 1...Qa6
- 2.Qxa6#
- 1...Qe7
- 2.Qa6#
- 1...Qf7
- 2.Qa6#
- 1...Qg7
- 2.Qa6#
- 1...Qh7
- 2.Qa6#
- 1...Sc3
- 2.Bc4#
- 1...Sb4
- 2.Bc4#
- 1...Sf4
- 2.Bc4#
- 1...Sb6
- 2.Qxd4#
- 1...Sf6
- 2.Bc4#
- 1...Sc7
- 2.Bc4#
- 1...Se7
- 2.Bc4#
- 1...dxe3
- 2.Se1#
- 2.Sf4#
- 1...Qa6
- Tries
- 1.Sf4+?
- 1...Kxe3
- 2.Re2#
- 1...Sxf4+!
- 1...Kxe3
- 1.Qg3?
- threat
- 2.Se1#
- 1...Sxe3
- 2.Bc4#
- 2.Qxe3#
- 1...Sc3
- 2.Bc4#
- 1...Sb4
- 2.Bc4#
- 1...Sf4
- 2.Bc4#
- 2.e4#
- 1...Sb6
- 2.Rxd4#
- 1...Sf6
- 2.Bc4#
- 1...Sc7
- 2.Bc4#
- 2.e4#
- 1...Se7
- 2.Bc4#
- 1...Bxg3!
- threat
- 1.Qb4?
- threat
- 2.Rd2#
- 2.Qd2#
- 2.Qc4#
- 2.Qb5#
- 1...Sxe3
- 2.Rd2#
- 2.Qd2#
- 2.Qc3#
- 1...Sxb4
- 2.Bc4#
- 1...dxe3
- 2.Se1#
- 2.Qc3#
- 2.Qc4#
- 2.Qb5#
- 1...Qc5
- 2.Rd2#
- 2.Qd2#
- 1...Qb6
- 2.Rd2#
- 2.Qd2#
- 2.Qc4#
- 1...Qa6
- 2.Rd2#
- 2.Qd2#
- 2.Qxd4#
- 1...Qb7
- 2.Rd2#
- 2.Qd2#
- 2.Qc4#
- 2.Qxd4#
- 1...Qc7
- 2.Rd2#
- 2.Qd2#
- 2.Qxd4#
- 1...Qd7
- 2.Rd2#
- 2.Qd2#
- 2.Qc4#
- 2.Qxd4#
- 1...Bc6
- 2.Rd2#
- 2.Qd2#
- 2.Qc4#
- 1...Sc3
- 2.Bc4#
- 2.Qxc3#
- 2.Qc4#
- 1...Sb6
- 2.Rd2#
- 2.Rxd4#
- 2.Qd2#
- 2.Qc3#
- 2.Qxd4#
- 1...Sc7
- 2.Bc4#
- 2.Rd2#
- 2.Qd2#
- 2.Qc3#
- 2.Qc4#
- 1...axb4!
- threat
- 1.Qf4?
- threat
- 2.Se1#
- 1...Sxe3
- 2.Qxe3#
- 1...Sxf4
- 2.Bc4#
- 1...Sc3
- 2.Bc4#
- 1...Sb4
- 2.Bc4#
- 1...Sb6
- 2.Rxd4#
- 2.Qxd4#
- 1...Sf6
- 2.Bc4#
- 1...Sc7
- 2.Bc4#
- 1...Se7
- 2.Bc4#
- 1...Bxf4!
- threat
- 1.Qc5?
- threat
- 2.Qc2#
- 2.Qc4#
- 2.Qb5#
- 1...Sxe3
- 2.Rxd4#
- 2.Qc3#
- 1...Qb6
- 2.Qc2#
- 2.Qc4#
- 1...Qa6
- 2.Qxd4#
- 2.Qc2#
- 1...Qb7
- 2.Qxd4#
- 2.Qc2#
- 2.Qc4#
- 1...Qc7
- 2.Qxd4#
- 1...Qd7
- 2.Qxd4#
- 2.Qc2#
- 2.Qc4#
- 1...Bc6
- 2.Qc2#
- 2.Qc4#
- 1...Sc3
- 2.Bc4#
- 2.Rxd4#
- 2.Qxc3#
- 2.Qc4#
- 1...Sb4
- 2.Bc4#
- 2.Rxd4#
- 2.Qc3#
- 2.Qc4#
- 2.Qb5#
- 1...Sb6
- 2.Rxd4#
- 2.Qxd4#
- 2.Qc2#
- 2.Qc3#
- 1...Sc7
- 2.Bc4#
- 2.Rxd4#
- 2.Qc2#
- 2.Qc3#
- 2.Qc4#
- 1...Qxc5!
- threat
- 1.Qe5?
- threat
- 2.Se1#
- 1...Sxe3
- 2.Qxe3#
- 1...Sc3
- 2.Bc4#
- 1...Sb4
- 2.Bc4#
- 2.Qb5#
- 1...Sf4
- 2.Bc4#
- 2.Qb5#
- 1...Sb6
- 2.Rxd4#
- 2.Qxd4#
- 1...Sf6
- 2.Bc4#
- 2.Qb5#
- 1...Sc7
- 2.Bc4#
- 1...Se7
- 2.Bc4#
- 2.Qb5#
- 1...Bxe5!
- threat
- 1.Qe6?
- threat
- 2.Se1#
- 1...Sxe3
- 2.Qxe3#
- 1...Sc3
- 2.Qc4#
- 1...Sb4
- 2.Qc4#
- 1...Sf4
- 2.Qc4#
- 1...Sb6
- 2.Rxd4#
- 1...Sf6
- 2.Qc4#
- 1...Sc7
- 2.Qc4#
- 1...Se7
- 2.Qc4#
- 1...Be5!
- threat
- 1.Sf4+?
- Keys
- 1.Re8!
- threat
- 2.Se1#
- 1...Sxe3
- 2.Rxe3#
- 1...Qe7
- 2.Qa6#
- 1...Sc3
- 2.Bc4#
- 1...Sb4
- 2.Bc4#
- 1...Sf4
- 2.Bc4#
- 1...Sb6
- 2.Qxd4#
- 1...Sf6
- 2.Bc4#
- 1...Sc7
- 2.Bc4#
- 1...Se7
- 2.Bc4#
- threat
- 1.Re8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 4
- Sets
- Q(g);N_GUARD::QAB(H),XQ(g)
- Q(g);N_GUARD::QAB(H)
- S(d);OGATE,P_PINS(D),P_SPINP(b)::B(J)
- S(d);OGATE,P_PINS(D),P_SPINP(b)::QAR1(H),XP(b)
- Tries
- Try
- S(D);CHECK
- Vars
- K(a);P-FLIGHT,XP(F)::R1(C)
- Refutation
- S(d);CHECK,P_SPINP(b),XS(D)
- Try
- Q(H);
- Threat
- S(D)
- Vars
- S(d);OGATE,P_PINS(D),P_SPINP(b)::B(J)
- S(d);OGATE,P_PINS(D),P_SPINP(b)::R1(I),XP(b)
- Refutation
- B(i);XQ(H)
- Try
- Q(H);
- Threat
- DUALS(4)
- Vars
- S(d);OGATE,P_PINS(D),P_SPINP(b),XQ(H)::B(J)
- Refutation
- P(c);XQ(H)
- Try
- Q(H);
- Threat
- S(D)
- Vars
- S(d);OGATE,P_PINS(D),P_SPINP(b),XP(F)::QAR1(H),XS(d)
- S(d);OGATE,P_PINS(D),P_SPINP(b),XQ(H)::B(J)
- S(d);OGATE,P_PINS(D),P_SPINP(b)::B(J)
- Refutation
- B(i);XQ(H)
- Try
- Q(H);
- Threat
- DUALS(3)
- Vars
- Q(g);N_GUARD::QAR1(H),XP(b)
- Refutation
- Q(g);XQ(H)
- Try
- Q(H);
- Threat
- S(D)
- Vars
- S(d);OGATE,P_PINS(D),P_SPINP(b),XP(F)::QAR1(H),XS(d)
- S(d);OGATE,P_PINS(D),P_SPINP(b)::B(J)
- Refutation
- B(i);XQ(H)
- Try
- Q(H);
- Threat
- S(D)
- Vars
- S(d);OGATE,P_PINS(D),P_SPINP(b),XP(F)::QAR1(H),XS(d)
- S(d);OGATE,P_PINS(D),P_SPINP(b)::QAB1(H)
- S(d);OGATE,P_PINS(D),P_SPINP(b)::R1(I),XP(b)
- Refutation
- B(i);
- Try
- Actual
- R(I);
- Threat
- S(D)
- Vars
- S(d);OGATE,P_PINS(D),P_SPINP(b),XP(F)::R1(I),XS(d)
- Q(g);N_GUARD::QAB(H)
- S(d);OGATE,P_PINS(D),P_SPINP(b)::B(J)
- S(d);OGATE,P_PINS(D),P_SPINP(b)::QAR1(H),XP(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).