MESON Chess Problem Database
Problem Display
PID: 238184 (b4N1K/1B1P4/2rPRpp1/4Pk1p/3b1p2/2B4P/3P4/6RQ w - - 0 1)
Murashev, Pavel Aleksandrovich
Kudesnik, 2009
#2
12 + 8
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Rxc3
- 2.Qe4#
- 1...Rc4
- 2.Qe4#
- 1...Rc5
- 2.Qe4#
- 1...Ra6
- 2.Qe4#
- 1...Rb6
- 2.Qe4#
- 1...Rxd6
- 2.Qe4#
- 1...Rc7
- 2.Qe4#
- 1...Rc8
- 2.Qe4#
- 1...Bf2
- 2.Rxf6#
- 1...Be3
- 2.Rxf6#
- 1...Bc5
- 2.Rxf6#
- 1...Bb6
- 2.Rxf6#
- 1...Ba7
- 2.Rxf6#
- 1...f3
- 2.Qxf3#
- 1...Rxc3
- Tries
- 1.Bxd4?
- threat
- 2.Rxf6#
- 1...Rxd6
- 2.Qe4#
- 1...f3
- 2.Qxf3#
- 1...fxe5!
- threat
- 1.Rg5+?
- 1...fxg5
- 2.Qb1#
- 1...Kxg5!
- 1...fxg5
- 1.Qg2?
- threat
- 2.Qxg6#
- 1...f3
- 2.Qxf3#
- 1...g5!
- threat
- 1.Qd5?
- threat
- 2.Rxf6#
- 1...Rxd6
- 2.Qe4#
- 1...Bxg1
- 2.exf6#
- 1...Bxe5
- 2.Qd3#
- 1...fxe5!
- threat
- 1.d3?
- threat
- 2.Qe4#
- 1...f3
- 2.Qxf3#
- 1...Bxg1!
- threat
- 1.exf6?
- threat
- 2.Qe4#
- 1...Bxf6+
- 2.Rxf6#
- 1...Bxg1
- 2.Qd5#
- 1...f3
- 2.Qxf3#
- 1...Be5!
- threat
- 1.d8Q?
- threat
- 2.Qxf6#
- 1...fxe5
- 2.Rg5#
- 2.Rf6#
- 2.Qg5#
- 2.Qf6#
- 1...f3
- 2.Qxf3#
- 1...Bxe5!
- threat
- 1.Bxd4?
- Keys
- 1.Rxg6!
- threat
- 2.Qb1#
- 1...Rxc3
- 2.Qe4#
- 1...fxe5
- 2.Ref6#
- 1...f3
- 2.Qxf3#
- 1...Rb6
- 2.Qe4#
- 1...Bg1
- 2.Rexf6#
- threat
- 1.Rxg6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 11
- Sets
- R(e);XB(D)::QAB1(B)
- R(e);::QAB1(B)
- R(e);XP(G)::QAB1(B)
- R(e);P_PINS(K)::QAB1(B)
- B(a);::R1(H),XP(f)
- P(b);OGATEB::QAR2(B),XP(b)
- Tries
- Try
- B(D);XB(a)
- Threat
- R1(H),XP(f)
- Vars
- R(e);XP(G)::QAB1(B)
- P(b);OGATEB::QAR2(B),XP(b)
- Refutation
- P(f);XP(F)
- Try
- R(A);CHECK
- Vars
- P(f);P_PINP(F),SBLOCK,XR(A)::QAB(B)
- Refutation
- K(c);P-FLIGHT,XR(A)
- Try
- Q(B);
- Threat
- QAB1(B),XP(g)
- Vars
- P(b);OGATEB::QAR2(B),XP(b)
- Refutation
- P(g);
- Try
- Q(B);
- Threat
- R1(H),XP(f)
- Vars
- R(e);XP(G)::QAB1(B)
- B(a);N_GUARD,XR(A)::QAR(B)+P(F),XP(f)
- B(a);OGATE,P_SPINB(a),XP(F)::QAB(B)
- Refutation
- P(f);P_SPINP(f),XP(F)
- Try
- P(C);
- Threat
- QAB1(B)
- Vars
- P(b);OGATEB::QAR2(B),XP(b)
- Refutation
- B(a);XR(A)
- Try
- P(F);P_SPINP(F),XP(f)
- Threat
- QAB1(B)
- Vars
- B(a);CHECK,OGATE,XP(F)::R1(H),XB(a)
- B(a);N_GUARD,N_PINP(F),XR(A)::QAR2(B)
- P(b);OGATEB::QAR2(B),XP(b)
- Refutation
- B(a);
- Try
- P(J);
- Threat
- QAR1(J),XP(f)
- Vars
- P(b);OGATEB::QAR2(B),XP(b)
- Refutation
- B(a);XP(F)
- Try
- Actual
- R(A);XP(g)
- Threat
- QAB(B)
- Vars
- R(e);XB(D)::QAB1(B)
- P(f);SBLOCK,XP(F)::R1(H)
- P(b);OGATEB::QAR2(B),XP(b)
- R(e);::QAB1(B)
- B(a);::R1(H),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).