MESON Chess Problem Database
Problem Display
PID: 267125 (1Kn5/4B3/8/pR6/3kbnRq/5pQ1/1N6/3N2b1 w - - 0 1)
Slesarenko, Anatoly Vasilevich
4th HM., Springaren, 1996
#2
7 + 8
| 6490 | yacpdb | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Qxg3
- 2.Bf6#
- 1...Qf6
- 2.Bxf6#
- 1...Qh1
- 2.Bf6#
- 1...Qh2
- 2.Bf6#
- 1...Qh3
- 2.Bf6#
- 1...Qxg4
- 2.Bf6#
- 1...Qh7
- 2.Bf6#
- 1...Se2
- 2.Qe5#
- 1...Sg2
- 2.Qe5#
- 1...Sh3
- 2.Qe5#
- 1...Sd5
- 2.Bc5#
- 1...Sh5
- 2.Qe5#
- 1...Se6
- 2.Qe5#
- 1...f2
- 2.Qc3#
- 2.Qe3#
- 1...Qxg3
- Tries
- 1.Qf2+?
- 1...Qxf2
- 2.Bf6#
- 1...Bxf2!
- 1...Qxf2
- 1.Qxf4?
- threat
- 2.Qd2#
- 2.Qe5#
- 2.Qxe4#
- 1...Qxe7
- 2.Qd2#
- 1...Qxg4
- 2.Bf6#
- 2.Qe5#
- 2.Qf6#
- 1...Qe1
- 2.Bf6#
- 2.Qe5#
- 2.Qf6#
- 1...Qf2
- 2.Bf6#
- 2.Qe5#
- 2.Qxe4#
- 2.Qf6#
- 1...Qg3
- 2.Bf6#
- 1...Qg5
- 2.Qxe4#
- 1...Qf6
- 2.Bxf6#
- 2.Qd2#
- 2.Qxe4#
- 2.Qxf6#
- 1...Qh2
- 2.Bf6#
- 1...Qh5
- 2.Qd2#
- 2.Qxe4#
- 1...Qh6
- 2.Qe5#
- 2.Qxe4#
- 1...Qh7
- 2.Bf6#
- 2.Qd2#
- 2.Qe5#
- 2.Qf6#
- 1...Qh8
- 2.Qd2#
- 2.Qxe4#
- 1...Be3
- 2.Qxe3#
- 2.Qe5#
- 2.Qxe4#
- 1...Sd6
- 2.Qd2#
- 2.Qe5#
- 2.Qxd6#
- 1...Bh2!
- threat
- 1.Qxg1+?
- 1...Qf2
- 2.Bf6#
- 2.Qxf2#
- 1...f2!
- 1...Qf2
- 1.Qxf3?
- threat
- 2.Qc3#
- 1...Bd5
- 2.Rxd5#
- 2.Qxd5#
- 1...Sd5
- 2.Qxe4#
- 1...Qe1
- 2.Bf6#
- 1...Qg3
- 2.Bf6#
- 1...Qh3
- 2.Bf6#
- 1...Be3
- 2.Qxe3#
- 1...Bb1
- 2.Rd5#
- 2.Qd5#
- 1...Bc2
- 2.Rd5#
- 2.Qd5#
- 1...Bd3
- 2.Rd5#
- 2.Qd5#
- 2.Qxd3#
- 1...Bf5
- 2.Rd5#
- 2.Qd5#
- 1...Bc6
- 2.Qd3#
- 1...Bg6
- 2.Rd5#
- 2.Qd5#
- 1...Bb7
- 2.Qd3#
- 1...Bh7
- 2.Rd5#
- 2.Qd5#
- 1...Ba8
- 2.Qd3#
- 1...Se2
- 2.Qxe4#
- 2.Qd3#
- 1...Sd3
- 2.Qxe4#
- 2.Qxd3#
- 1...Bxf3!
- threat
- 1.Qf2+?
- Keys
- 1.Qe1!
- threat
- 2.Qc3#
- 1...Qxe1
- 2.Bf6#
- 1...Sd5
- 2.Qxe4#
- 1...Bb1
- 2.Qe5#
- 1...Bc2
- 2.Qe5#
- 1...Bd3
- 2.Qe5#
- 1...Bd5
- 2.Bc5#
- 1...Bf5
- 2.Qe5#
- 1...Bc6
- 2.Qe5#
- 1...Bg6
- 2.Qe5#
- 1...Bb7
- 2.Qe5#
- 1...Bh7
- 2.Qe5#
- 1...Ba8
- 2.Qe5#
- 1...Se2
- 2.Qd2#
- threat
- 1.Qe1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 11
- REMOVED MATES = 11
- Sets
- Q(f);N_GUARD,XQ(C)::B(F)
- Q(f);N_GUARD::B(F),XQ(f)
- Q(f);N_GUARD::B(F)
- Q(f);N_GUARD,XR(D)::B(F)
- S(e);OGATE,P_SPINB(d)::QAB1(C)
- S(e);P_SPINB(d),SBLOCK::B(F)
- Tries
- Try
- Q(C);CHECK
- Vars
- Q(f);XQ(C)::B(F)
- Refutation
- B(a);XQ(C)
- Try
- Q(C);P_PINB(d),XS(e)
- Threat
- DUALS(3)
- Vars
- Q(f);XB(F)::QAR2(C)
- Q(f);N_GUARD,P_PINQ(C)::B(F)
- Q(f);::QAR1(C),XB(d)
- Refutation
- B(a);P_PINQ(C)
- Try
- Q(C);CHECK,XB(a)
- Refutation
- P(b);P_SPINP(b)
- Try
- Q(C);XP(b)
- Threat
- QAB1(C)
- Vars
- S(e);P_SPINB(d)::QAR1(C),XB(d)
- Q(f);N_GUARD::B(F)
- B(a);N_GUARD::QAB1(C),XB(a)
- B(d);N_GUARD,P_SPINS(e)::QAR1(C)
- Refutation
- B(d);P_SPINS(e),XQ(C)
- Try
- Actual
- Q(C);
- Threat
- QAB1(C)
- Vars
- Q(f);N_GUARD,XQ(C)::B(F)
- S(e);P_SPINB(d)::QAR1(C),XB(d)
- B(d);OGATE,P_SPINS(e)::QAB1(C)
- B(d);P_SPINS(e),SBLOCK::B(F)
- S(e);N_GUARD,P_SPINB(d)::QAR2(C)
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).