MESON Chess Problem Database
Problem Display
PID: 235085 (bB1K4/4p3/p1kppN1R/p1P2Q2/P4N2/5R2/6B1/8 w - - 0 1)
Shanshin, Valery Yurevich
64 Shakhmatnoe obozrenie, 2015
#2
10 + 7
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Kb7
- 2.Rb3#
- 1...dxc5
- 2.Rb3#
- 1...e5
- 2.Qc8#
- 1...Kb7
- Tries
- 1.Sxe6?
- threat
- 2.Qd5#
- 1...Kb7
- 2.Rb3#
- 1...dxc5
- 2.Rb3#
- 1...d5
- 2.Qxd5#
- 1...exf6!
- threat
- 1.Sg4?
- 1...Kb7
- 2.Rb3#
- 1...dxc5
- 2.Rb3#
- 1...exf5
- 2.Rc3#
- 1...d5
- 2.Qxd5#
- 1...e5
- 2.Qc8#
- 1...Bb7!
- 1...Kb7
- 1.S6h5?
- 1...Kb7
- 2.Rb3#
- 1...dxc5
- 2.Rb3#
- 1...exf5
- 2.Rc3#
- 1...d5
- 2.Qxd5#
- 1...e5
- 2.Qc8#
- 1...Bb7!
- 1...Kb7
- 1.Sd7?
- 1...Kb7
- 2.Rb3#
- 1...dxc5
- 2.Rf1#
- 2.Rf2#
- 2.Ra3#
- 2.Rb3#
- 2.Rc3#
- 2.Rd3#
- 2.Re3#
- 2.Rg3#
- 2.Rfh3#
- 2.Qe4#
- 2.Qd5#
- 1...exf5
- 2.Rf1#
- 2.Rf2#
- 2.Ra3#
- 2.Rb3#
- 2.Rc3#
- 2.Rd3#
- 2.Re3#
- 2.Rg3#
- 2.Rfh3#
- 1...d5
- 2.Qxd5#
- 1...e5
- 2.Qe4#
- 1...Bb7!
- 1...Kb7
- 1.Sh7?
- 1...Kb7
- 2.Rb3#
- 1...dxc5
- 2.Rb3#
- 1...exf5
- 2.Rc3#
- 1...d5
- 2.Qxd5#
- 1...e5
- 2.Qc8#
- 1...Bb7!
- 1...Kb7
- 1.Se8?
- 1...Kb7
- 2.Rb3#
- 1...dxc5
- 2.Rb3#
- 1...exf5
- 2.Rc3#
- 1...d5
- 2.Qxd5#
- 1...e5
- 2.Qc8#
- 1...Bb7!
- 1...Kb7
- 1.Qb1?
- threat
- 2.Qb6#
- 1...dxc5
- 2.Rf1#
- 2.Rf2#
- 2.Ra3#
- 2.Rb3#
- 2.Rc3#
- 2.Rd3#
- 2.Re3#
- 2.Rg3#
- 2.Rfh3#
- 1...Kxc5!
- threat
- 1.Qe4+?
- 1...Kxc5
- 2.Sd7#
- 2.Ba7#
- 1...d5!
- 1...Kxc5
- 1.Qxe6?
- threat
- 2.Rc3#
- 2.Qd5#
- 2.Qc8#
- 1...Kb7
- 2.Rb3#
- 2.Qc8#
- 1...Bb7
- 2.Rc3#
- 2.Qd5#
- 1...Kxc5!
- threat
- 1.Sxe6?
- Keys
- 1.Sg8!
- 1...Kb7
- 2.Rb3#
- 1...dxc5
- 2.Rb3#
- 1...exf5
- 2.Rc3#
- 1...d5
- 2.Qxd5#
- 1...e5
- 2.Qc8#
- 1...Bb7
- 2.Sxe7#
- 1...Kb7
- 1.Sg8!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- K(c);S_FLIGHT::B(A)+R(B),DCHECK
- P(d);N_GUARD,XP(E)::B(A)+R(B)
- P(e);OGATE::QAR2(F)
- Tries
- Try
- S(D);XP(e)
- Threat
- QAB1(F)
- Vars
- K(c);S_FLIGHT::B(A)+R(B),DCHECK
- P(d);N_GUARD,XP(E)::B(A)+R(B)
- P(d);::QAB1(F),XP(d)
- Refutation
- P(f);XS(G)
- Try
- S(G);
- Vars
- K(c);S_FLIGHT::B(A)+R(B),DCHECK
- P(d);N_GUARD,P_SPINP(e),XP(E)::B(A)+R(B)
- P(e);P_SPINP(d),XQ(F)::B(A)+R(B)
- P(d);P_SPINP(e)::QAB1(F),XP(d)
- P(e);OGATE,P_SPINP(d)::QAR2(F)
- Refutation
- B(g);
- Try
- S(G);
- Vars
- K(c);S_FLIGHT::B(A)+R(B),DCHECK
- P(d);N_GUARD,P_SPINP(e),XP(E)::B(A)+R(B)
- P(e);P_SPINP(d),XQ(F)::B(A)+R(B)
- P(d);P_SPINP(e)::QAB1(F),XP(d)
- P(e);OGATE,P_SPINP(d)::QAR2(F)
- Refutation
- B(g);
- Try
- S(G);
- Vars
- K(c);S_FLIGHT::B(A)+R(B),DCHECK
- P(d);P_SPINP(e)::QAB1(F),XP(d)
- P(e);P_SPINP(d)::QAB(F)
- Refutation
- B(g);
- Try
- S(G);
- Vars
- K(c);S_FLIGHT::B(A)+R(B),DCHECK
- P(d);N_GUARD,P_SPINP(e),XP(E)::B(A)+R(B)
- P(e);P_SPINP(d),XQ(F)::B(A)+R(B)
- P(d);P_SPINP(e)::QAB1(F),XP(d)
- P(e);OGATE,P_SPINP(d)::QAR2(F)
- Refutation
- B(g);
- Try
- S(G);
- Vars
- K(c);S_FLIGHT::B(A)+R(B),DCHECK
- P(d);N_GUARD,P_SPINP(e),XP(E)::B(A)+R(B)
- P(e);P_SPINP(d),XQ(F)::B(A)+R(B)
- P(d);P_SPINP(e)::QAB1(F),XP(d)
- P(e);OGATE,P_SPINP(d)::QAR2(F)
- Refutation
- B(g);
- Try
- Q(F);
- Threat
- QAR1(F)
- Refutation
- K(c);P-FLIGHT,XP(E)
- Try
- Q(F);CHECK
- Refutation
- P(d);P_SPINP(d)
- Try
- Q(F);P_PINP(d),XP(e)
- Threat
- DUALS(3)
- Refutation
- K(c);N_SPINP(d),P-FLIGHT,XP(E)
- Try
- Actual
- S(G);
- Vars
- K(c);S_FLIGHT::B(A)+R(B),DCHECK
- P(d);N_GUARD,P_SPINP(e),XP(E)::B(A)+R(B)
- P(e);P_SPINP(d),XQ(F)::B(A)+R(B)
- P(d);P_SPINP(e)::QAB1(F),XP(d)
- P(e);OGATE,P_SPINP(d)::QAR2(F)
- B(g);SBLOCK::S(G),XP(f)
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).