MESON Chess Problem Database
Problem Display
PID: 243845 (n1Nb4/3PQ3/R1P1PK2/p2kP3/P1p1r3/BNP2RP1/5PB1/8 w - - 0 1)
Chepizhni, Viktor Ivanovich
64 Shakhmatnoe obozrenie, 2013
#2
16 + 6
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Re1
- 2.Rd3#
- 2.Re3#
- 1...Re2
- 2.Rd3#
- 2.Re3#
- 1...Re3
- 2.Rxe3#
- 1...Rd4
- 2.Rd3#
- 1...Rf4+
- 2.Rxf4#
- 1...Rg4
- 2.Rd3#
- 2.Rf4#
- 1...Rh4
- 2.Rd3#
- 2.Rf4#
- 1...Rxe5
- 2.Rd3#
- 2.Rf5#
- 1...Bb6
- 2.Qd6#
- 1...Bc7
- 2.Qc5#
- 1...Bxe7+
- 2.Sxe7#
- 1...Re1
- Tries
- 1.Kf5?
- threat
- 2.Qc5#
- 2.Qd6#
- 1...Rf4+
- 2.Rxf4#
- 1...Bxe7
- 2.Sxe7#
- 1...cxb3
- 2.Qc5#
- 1...Bb6
- 2.Qd6#
- 1...Bc7
- 2.Qc5#
- 1...Rxe5+!
- threat
- 1.Sxa5?
- 1...Rf4+
- 2.Rxf4#
- 1...Bxe7+
- 2.Sxe7#
- 1...Rxe5
- 2.Rd3#
- 2.Rf5#
- 1...Bxa5
- 2.Qc5#
- 2.Qd6#
- 1...Re1
- 2.Rd3#
- 2.Re3#
- 1...Re2
- 2.Rd3#
- 2.Re3#
- 1...Re3
- 2.Rxe3#
- 1...Rd4
- 2.Rd3#
- 1...Rg4
- 2.Rd3#
- 2.Rf4#
- 1...Rh4
- 2.Rd3#
- 2.Rf4#
- 1...Sc7
- 2.Sb6#
- 1...Bb6
- 2.Qd6#
- 1...Bc7
- 2.Qc5#
- 1...Sb6!
- 1...Rf4+
- 1.Re3?
- threat
- 2.Bxe4#
- 1...Bxe7+
- 2.Sxe7#
- 1...cxb3!
- threat
- 1.Rf4?
- threat
- 2.Bxe4#
- 1...Bxe7+
- 2.Sxe7#
- 1...cxb3!
- threat
- 1.Rxa5+?
- 1...Bxa5
- 2.Qc5#
- 2.Qd6#
- 1...Kxc6!
- 1...Bxa5
- 1.Qxd8?
- threat
- 2.Se7#
- 2.Qxa5#
- 1...Rf4+
- 2.Rxf4#
- 1...Rxe5
- 2.Rd3#
- 2.Rf5#
- 1...Re1
- 2.Rd3#
- 2.Re3#
- 1...Re2
- 2.Rd3#
- 2.Re3#
- 1...Re3
- 2.Rxe3#
- 1...Rd4
- 2.Rd3#
- 1...Rg4
- 2.Rd3#
- 2.Rf4#
- 1...Rh4
- 2.Rd3#
- 2.Rf4#
- 1...Sb6
- 2.Se7#
- 1...Sc7
- 2.Se7#
- 1...cxb3!
- threat
- 1.Kf5?
- Keys
- 1.Sd4!
- 1...Rf4+
- 2.Rxf4#
- 1...Bxe7+
- 2.Sxe7#
- 1...Rxd4
- 2.Rd3#
- 1...Rxe5
- 2.Rf5#
- 1...Re1
- 2.Re3#
- 1...Re2
- 2.Re3#
- 1...Re3
- 2.Rxe3#
- 1...Rg4
- 2.Rf4#
- 1...Rh4
- 2.Rf4#
- 1...Sc7
- 2.Sb6#
- 1...Bb6
- 2.Qd6#
- 1...Bc7
- 2.Qc5#
- 1...Sb6
- 2.Rxa5#
- 1...Rf4+
- 1.Sd4!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 7
- REMOVED MATES = 0
- Sets
- R(b);OGATEB::B(B)+R(F),XR(b)
- R(b);S_CUTP(a)::B(B)+R(F)
- R(b);CHECK,OGATEB::B(B)+R(F),XR(b)
- B(f);N_PINQ(O)::QAR1(O)
- B(f);CHECK,XQ(O)::S(P),XB(f)
- Tries
- Try
- K(M);N_SPINQ(O),P-FLIGHT
- Threat
- DUALS(2)
- Vars
- R(b);CHECK,OGATEB::B(B)+R(F),XR(b)
- B(f);XQ(O)::S(P),XB(f)
- P(a);XS(D)::QAR1(O)
- B(f);::QAR1(O)
- Refutation
- R(b);CHECK,XP(I)
- Try
- S(D);XP(c)
- Vars
- R(b);CHECK,OGATEB::B(B)+R(F),XR(b)
- B(f);CHECK,XQ(O)::S(P),XB(f)
- R(b);OGATEB::B(B)+R(F),XR(b)
- R(b);S_CUTP(a)::B(B)+R(F)
- S(e);N_GUARD,S_CUTB(f)::S(P)
- B(f);N_PINQ(O)::QAR1(O)
- Refutation
- S(e);
- Try
- R(F);P_PINR(b)
- Threat
- B(B),XR(b)
- Vars
- B(f);CHECK,XQ(O)::S(P),XB(f)
- Refutation
- P(a);XS(D)
- Try
- R(F);P_PINR(b)
- Threat
- B(B),XR(b)
- Vars
- B(f);CHECK,XQ(O)::S(P),XB(f)
- Refutation
- P(a);XS(D)
- Try
- R(J);CHECK,XP(c)
- Refutation
- K(d);S_FLIGHT,XP(K)
- Try
- Q(O);N_SPINQ(O),XB(f)
- Threat
- DUALS(2)
- Vars
- R(b);CHECK,OGATEB::B(B)+R(F),XR(b)
- R(b);OGATEB::B(B)+R(F),XR(b)
- R(b);S_CUTP(a)::B(B)+R(F)
- S(e);::S(P)
- Refutation
- P(a);XS(D)
- Try
- Actual
- S(D);
- Vars
- R(b);CHECK,OGATEB::B(B)+R(F),XR(b)
- B(f);CHECK,XQ(O)::S(P),XB(f)
- R(b);OGATEB,XS(D)::B(B)+R(F)
- R(b);OGATEB,XP(I)::B(B)+R(F)
- R(b);OGATEB::B(B)+R(F)
- R(b);OGATEB::B(B)+R(F),XR(b)
- S(e);N_GUARD,S_CUTB(f)::S(P)
- B(f);N_PINQ(O)::QAR1(O)
- S(e);S_CUTB(f)::R(J),XP(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).