MESON Chess Problem Database
Problem Display
PID: 245555 (8/8/1K6/8/2kp2nR/5B1b/1Q3Pp1/5NR1 w - - 0 1)
Slesarenko, Anatoly Vasilevich
Mat, 1987
#2
7 + 5
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Kd3
- 2.Qb3#
- 1...Sxf2
- 2.Rxd4#
- 1...Sh2
- 2.Rxd4#
- 1...Se3
- 2.Rxd4#
- 1...Se5
- 2.Rxd4#
- 1...Sf6
- 2.Rxd4#
- 1...Sh6
- 2.Rxd4#
- 1...d3
- 2.Sd2#
- 2.Se3#
- 1...Kd3
- Tries
- 1.Ka5?
- threat
- 2.Qc2#
- 1...Kd3
- 2.Qb3#
- 1...Kc5
- 2.Qb4#
- 1...d3
- 2.Qb4#
- 1...Se3!
- threat
- 1.Sh2?
- 1...Sxf2
- 2.Rxd4#
- 1...Sxh2
- 2.Rxd4#
- 1...Se3
- 2.Rxd4#
- 1...Se5
- 2.Rxd4#
- 1...Sf6
- 2.Rxd4#
- 1...Sh6
- 2.Rxd4#
- 1...d3
- 2.Rc1#
- 1...Kd3!
- 1...Sxf2
- 1.Se3+?
- 1...Kd3
- 2.Rd1#
- 2.Qc2#
- 1...Sxe3
- 2.Rxd4#
- 1...dxe3!
- 1...Kd3
- 1.Bd1?
- threat
- 2.Qb3#
- 1...Kd3
- 2.Qc2#
- 1...d3
- 2.Se3#
- 1...Kd5!
- threat
- 1.Be2+?
- 1...d3
- 2.Se3#
- 1...Kd5!
- 1...d3
- 1.Bd5+?
- 1...Kd3
- 2.Qd2#
- 1...Kxd5!
- 1...Kd3
- 1.Rxg2?
- 1...Kd3
- 2.Qb3#
- 1...Sxf2
- 2.Rxd4#
- 1...Sh2
- 2.Rxd4#
- 1...Se3
- 2.Rxd4#
- 1...Se5
- 2.Rxd4#
- 1...Sf6
- 2.Rxd4#
- 1...Sh6
- 2.Rxd4#
- 1...d3
- 2.Sd2#
- 2.Se3#
- 1...Bxg2!
- 1...Kd3
- 1.Rxg4?
- threat
- 2.Rxd4#
- 1...Kd3
- 2.Be2#
- 2.Rxd4#
- 2.Qb3#
- 1...Bxg4!
- threat
- 1.Qb4+?
- 1...Kd3
- 2.Qb3#
- 1...Kxb4!
- 1...Kd3
- 1.Ka5?
- Keys
- 1.Sg3!
- 1...Kd3
- 2.Be2#
- 1...Sxf2
- 2.Rxd4#
- 1...Sh2
- 2.Rxd4#
- 1...Se3
- 2.Rxd4#
- 1...Se5
- 2.Rxd4#
- 1...Sf6
- 2.Rxd4#
- 1...Sh6
- 2.Rxd4#
- 1...d3
- 2.Rc1#
- 1...Kd3
- 1.Sg3!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 1
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- K(c);S_FLIGHT::QAR2(C)
- S(e);OGATE,P_SPINP(d),XP(D)::R1(F),XP(d)
- S(e);OGATE,P_SPINP(d)::R1(F),XP(d)
- Tries
- Try
- K(G);S_FLIGHT
- Threat
- QAR2(C)
- Vars
- K(c);S_FLIGHT::QAR2(C)
- K(c);P-FLIGHT::QAB1(C)
- P(d);P_SPINS(e),SBLOCK::QAR1(C)
- Refutation
- S(e);P_SPINP(d)
- Try
- S(A);
- Vars
- S(e);OGATE,P_SPINP(d),XP(D)::R1(F),XP(d)
- S(e);OGATE,P_SPINP(d),XS(A)::R1(F),XP(d)
- S(e);OGATE,P_SPINP(d)::R1(F),XP(d)
- P(d);P_SPINS(e),SBLOCK::R(B)
- Refutation
- K(c);S_FLIGHT
- Try
- S(A);CHECK
- Vars
- S(e);OGATE,P_SPINP(d),XS(A)::R1(F),XP(d)
- Refutation
- P(d);P_SPINS(e),XS(A)
- Try
- B(E);
- Threat
- QAB1(C)
- Vars
- K(c);S_FLIGHT::QAB1(C)
- P(d);N_GUARD,P_SPINS(e),SBLOCK::S(A)
- Refutation
- K(c);S_FLIGHT
- Try
- B(E);CHECK
- Vars
- P(d);P_SPINP(d),P_SPINS(e)::S(A)
- Refutation
- K(c);S_FLIGHT
- Try
- B(E);CHECK
- Vars
- K(c);S_FLIGHT::QAR1(C)
- Refutation
- K(c);S_FLIGHT,XB(E)
- Try
- R(B);XP(a)
- Vars
- K(c);S_FLIGHT::QAR2(C)
- S(e);OGATE,P_SPINP(d),XP(D)::R1(F),XP(d)
- S(e);OGATE,P_SPINP(d)::R1(F),XP(d)
- Refutation
- B(b);XR(B)
- Try
- R(F);P_PINP(d),XS(e)
- Threat
- R1(F),XP(d)
- Refutation
- B(b);N_SPINP(d),XR(F)
- Try
- Q(C);CHECK
- Vars
- K(c);S_FLIGHT::QAR2(C)
- Refutation
- K(c);P-FLIGHT,XQ(C)
- Try
- Actual
- S(A);
- Vars
- K(c);S_FLIGHT::B(E)
- S(e);OGATE,P_SPINP(d),XP(D)::R1(F),XP(d)
- S(e);OGATE,P_SPINP(d)::R1(F),XP(d)
- P(d);P_SPINS(e),SBLOCK::R(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).