MESON Chess Problem Database
Problem Display
PID: 238243 (K3BBRr/2ppn2p/2P1kN2/RN4P1/3P1p2/4r3/2Q5/8 w - - 0 1)
Murashev, Pavel Aleksandrovich
Kudesnik, 2015
#2
11 + 8
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Ra3
- 2.Qe4#
- 1...Rb3
- 2.Qe4#
- 1...Rc3
- 2.Qe4#
- 1...Rf3
- 2.Qe4#
- 1...Rg3
- 2.Qe4#
- 1...Rh3
- 2.Qe4#
- 1...Re4
- 2.Qxe4#
- 1...Sf5
- 2.Sxc7#
- 1...Sxc6
- 2.Sxc7#
- 1...Sg6
- 2.Sxc7#
- 1...Sc8
- 2.Sxc7#
- 1...Sxg8
- 2.Sxc7#
- 1...d6
- 2.Sxc7#
- 1...Ra3
- Tries
- 1.Sh5?
- threat
- 2.Sxf4#
- 1...Kd5
- 2.Sxf4#
- 1...Re4
- 2.Qxe4#
- 1...Rf3
- 2.Qe4#
- 1...Sd5
- 2.Sg7#
- 1...Sg6
- 2.Sxc7#
- 1...f3
- 2.Sf4#
- 1...Rd3!
- threat
- 1.Rg7?
- threat
- 2.Bxd7#
- 2.Bf7#
- 2.Rxe7#
- 1...Sxc6
- 2.Sxc7#
- 2.Bxd7#
- 2.Bf7#
- 1...dxc6
- 2.Bd7#
- 2.Bf7#
- 2.Rxe7#
- 1...Rd3
- 2.Bxd7#
- 1...Re4
- 2.Bxd7#
- 2.Qxe4#
- 1...Sd5
- 2.Bxd7#
- 2.Bf7#
- 1...Sf5
- 2.Sxc7#
- 2.Bxd7#
- 2.Bf7#
- 1...Sg6
- 2.Sxc7#
- 2.Bxd7#
- 2.Bf7#
- 1...Sc8
- 2.Sxc7#
- 2.Bxd7#
- 2.Bf7#
- 1...Sg8
- 2.Sxc7#
- 2.Bxd7#
- 2.Bf7#
- 1...d5
- 2.Bd7#
- 2.Bf7#
- 2.Rxe7#
- 1...d6
- 2.Sxc7#
- 2.Bd7#
- 2.Bf7#
- 2.Rxe7#
- 1...Rxf8!
- threat
- 1.Qf5+?
- 1...Sxf5
- 2.Sxc7#
- 1...Kxf5!
- 1...Sxf5
- 1.Qg6?
- threat
- 2.Bxd7#
- 2.Bf7#
- 1...Sxg6
- 2.Sxc7#
- 1...dxc6
- 2.Bd7#
- 2.Bf7#
- 1...d5
- 2.Bd7#
- 2.Bf7#
- 1...d6
- 2.Sxc7#
- 2.Bd7#
- 2.Bf7#
- 1...hxg6!
- threat
- 1.Qxh7?
- threat
- 2.Bxd7#
- 2.Bf7#
- 1...dxc6
- 2.Bd7#
- 2.Bf7#
- 1...Sg6
- 2.Sxc7#
- 2.Bxd7#
- 2.Qxd7#
- 1...d5
- 2.Bd7#
- 2.Bf7#
- 1...d6
- 2.Sxc7#
- 2.Bd7#
- 2.Bf7#
- 1...Rxh7!
- threat
- 1.Qc4+?
- 1...Kf5
- 2.Sd6#
- 1...Sd5
- 2.Qxd5#
- 1...d5!
- 1...Kf5
- 1.Qc5?
- threat
- 2.Sxc7#
- 1...Re5
- 2.Qxe5#
- 1...Sd5
- 2.Qxd5#
- 1...d5!
- threat
- 1.cxd7?
- threat
- 2.d8S#
- 1...Re4
- 2.Qxe4#
- 1...Sc6
- 2.Sxc7#
- 1...Rd3!
- threat
- 1.Sh5?
- Keys
- 1.Se4!
- threat
- 2.Sxc7#
- 1...Kd5
- 2.Bf7#
- 1...Kf5
- 2.Bxd7#
- 1...Rxe4
- 2.Qxe4#
- 1...Sd5
- 2.Sc5#
- 1...d5
- 2.Sc5#
- threat
- 1.Se4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 12
- Sets
- R(a);N_GUARD,P_PINR(C)::QAR2(A)
- R(a);N_GUARD::QAR2(A)
- R(a);N_GUARD::QAR2(A),XR(a)
- S(f);::S(D),XP(d)
- S(f);XP(F)::S(D),XP(d)
- S(f);XR(K)::S(D),XP(d)
- P(e);SBLOCK::S(D),XP(d)
- Tries
- Try
- S(G);
- Threat
- S(G),XP(b)
- Vars
- K(c);S_FLIGHT::S(G),XP(b)
- R(a);N_GUARD::QAR2(A),XR(a)
- R(a);N_GUARD::QAR2(A)
- S(f);SBLOCK::S(G)
- S(f);::S(D),XP(d)
- P(b);::S(G)
- Refutation
- R(a);
- Try
- R(K);
- Threat
- DUALS(3)
- Vars
- R(a);::B(I),XP(e)
- Refutation
- R(h);P_PINB(I),XB(J)
- Try
- Q(A);CHECK
- Vars
- S(f);XQ(A)::S(D),XP(d)
- Refutation
- K(c);S_FLIGHT,XQ(A)
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- S(f);XQ(A)::S(D),XP(d)
- Refutation
- P(g);XQ(A)
- Try
- Q(A);XP(g)
- Threat
- DUALS(2)
- Refutation
- R(h);XQ(A)
- Try
- Q(A);CHECK
- Vars
- K(c);S_FLIGHT::R(C)+S(D),DCHECK
- S(f);N_GUARD,P_SPINS(f)::QAB1(A),XS(f)
- Refutation
- P(e);P_SPINP(e)
- Try
- Q(A);
- Threat
- S(D),XP(d)
- Vars
- R(a);N_GUARD::QAR1(A),XR(a)
- S(f);N_GUARD::QAB1(A),XS(f)
- Refutation
- P(e);
- Try
- P(F);XP(e)
- Threat
- P=S
- Vars
- R(a);N_GUARD::QAR2(A),XR(a)
- S(f);::S(D),XP(d)
- Refutation
- R(a);
- Try
- Actual
- S(G);
- Threat
- S(D),XP(d)
- Vars
- K(c);S_FLIGHT::B(I)
- K(c);S_FLIGHT::B(I),XP(e)
- R(a);OGATE,XS(G)::QAR2(A),XR(a)
- S(f);SBLOCK::S(G)
- P(e);SBLOCK::S(G)
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).