MESON Chess Problem Database
Problem Display
PID: 105413 (2B3b1/8/n1p1pp2/1R6/4kpP1/K1RN1Np1/1P2pPPb/Q7 w - - 0 1)
Erokhin, Vladimir Alekseevich
Sachove umeni (Ceskoslovensky sach), 1971
#2
11 + 10
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...e1Q
- 2.Qxe1#
- 1...e1S
- 2.Qxe1#
- 1...e1B
- 2.Qxe1#
- 1...e1R
- 2.Qxe1#
- 1...gxf2
- 2.Sxf2#
- 1...cxb5
- 2.Bb7#
- 1...c5
- 2.Bb7#
- 1...e5
- 2.Bf5#
- 1...f5
- 2.Re5#
- 1...e1Q
- Tries
- 1.Sc1?
- threat
- 2.Rc4#
- 2.Qb1#
- 1...gxf2
- 2.Qb1#
- 1...cxb5
- 2.Bb7#
- 1...c5
- 2.Bb7#
- 1...e1S
- 2.Rc4#
- 1...Sb4
- 2.Rc4#
- 1...e5
- 2.Bf5#
- 2.Qb1#
- 1...Sc5!
- threat
- 1.Sde1?
- threat
- 2.Rc4#
- 2.Qb1#
- 1...gxf2
- 2.Qb1#
- 1...cxb5
- 2.Bb7#
- 1...c5
- 2.Bb7#
- 1...Sb4
- 2.Rc4#
- 1...e5
- 2.Bf5#
- 2.Qb1#
- 1...Sc5!
- threat
- 1.Sb4?
- threat
- 2.Rc4#
- 2.Qb1#
- 1...gxf2
- 2.Qb1#
- 1...cxb5
- 2.Bb7#
- 2.Qb1#
- 1...e1Q
- 2.Rc4#
- 2.Qxe1#
- 1...e1S
- 2.Rc4#
- 2.Qxe1#
- 1...e1R
- 2.Rc4#
- 2.Qxe1#
- 1...Sc5
- 2.Rc4#
- 1...e5
- 2.Bf5#
- 2.Qb1#
- 1...Sxb4!
- threat
- 1.Sde5?
- threat
- 2.Rc4#
- 2.Qb1#
- 1...gxf2
- 2.Qb1#
- 1...cxb5
- 2.Bb7#
- 1...fxe5
- 2.Rxe5#
- 2.Qb1#
- 1...c5
- 2.Bb7#
- 1...e1Q
- 2.Rc4#
- 2.Qxe1#
- 1...e1S
- 2.Rc4#
- 2.Qxe1#
- 1...e1R
- 2.Rc4#
- 2.Qxe1#
- 1...Sb4
- 2.Rc4#
- 1...Sc5!
- threat
- 1.Rb4+?
- 1...Kd5
- 2.Rd4#
- 1...Sxb4!
- 1...Kd5
- 1.Qb1?
- threat
- 2.Sc1#
- 2.Sde1#
- 2.Sb4#
- 2.Sde5#
- 2.Rc4#
- 1...gxf2
- 2.Sc1#
- 2.Sde1#
- 2.Sxf2#
- 2.Sb4#
- 2.Sde5#
- 1...cxb5
- 2.Sb4#
- 2.Bb7#
- 1...c5
- 2.Sb4#
- 2.Bb7#
- 1...e1Q
- 2.Sc1#
- 2.Sdxe1#
- 2.Rc4#
- 2.Qxe1#
- 1...e1S
- 2.Sdxe1#
- 2.Rc4#
- 2.Qxe1#
- 1...e1B
- 2.Sc1#
- 2.Sdxe1#
- 2.Sb4#
- 2.Sde5#
- 2.Rc4#
- 2.Qxe1#
- 1...e1R
- 2.Sc1#
- 2.Sdxe1#
- 2.Rc4#
- 2.Qxe1#
- 1...Sb4
- 2.Sxb4#
- 2.Rc4#
- 1...e5
- 2.Sc1#
- 2.Sde1#
- 2.Sb4#
- 2.Sdxe5#
- 2.Bf5#
- 1...Sc5!
- threat
- 1.Qc1?
- threat
- 2.Qxf4#
- 1...gxf2
- 2.Sxf2#
- 1...cxb5
- 2.Bb7#
- 1...c5
- 2.Bb7#
- 1...e5
- 2.Bf5#
- 1...Sc5!
- threat
- 1.Qe1?
- threat
- 2.Qxe2#
- 1...cxb5
- 2.Bb7#
- 1...c5
- 2.Bb7#
- 1...Sc5!
- threat
- 1.Sc1?
- Keys
- 1.Qa2!
- threat
- 2.Qc4#
- 1...gxf2
- 2.Sxf2#
- 1...cxb5
- 2.Bb7#
- 1...e5
- 2.Bf5#
- threat
- 1.Qa2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 6
- Sets
- P(a);OGATEB::QAR(A),XQ(a)
- P(a);OGATEB::QAR(A),XS(a)
- P(a);OGATEB::QAR(A),XB(a)
- P(a);OGATEB::QAR(A),XR(a)
- P(c);XP(C)::S(G),XP(c)
- P(g);OGATEB,XR(J)::B(K)
- P(g);OGATEB::B(K)
- P(h);OGATE::B(K)
- P(i);N_GUARD::R1(J)
- Tries
- Try
- S(G);
- Threat
- DUALS(2)
- Vars
- P(c);XP(C)::QAB(A)
- P(g);OGATEB,XR(J)::B(K)
- P(g);OGATEB::B(K)
- P(a);::R(F)
- S(f);::R(F)
- Refutation
- S(f);
- Try
- S(G);
- Threat
- DUALS(2)
- Vars
- P(c);XP(C)::QAB(A)
- P(g);OGATEB,XR(J)::B(K)
- P(g);OGATEB::B(K)
- S(f);::R(F)
- Refutation
- S(f);
- Try
- S(G);
- Threat
- DUALS(2)
- Vars
- P(c);XP(C)::QAB(A)
- S(f);::R(F)
- Refutation
- S(f);XS(G)
- Try
- S(G);
- Threat
- DUALS(2)
- Vars
- P(c);XP(C)::QAB(A)
- P(g);OGATEB,XR(J)::B(K)
- P(g);OGATEB::B(K)
- S(f);::R(F)
- Refutation
- S(f);
- Try
- R(J);CHECK
- Vars
- K(d);S_FLIGHT::R1(J)
- Refutation
- S(f);XR(J)
- Try
- Q(A);
- Threat
- DUALS(5)
- Refutation
- S(f);
- Try
- Q(A);
- Threat
- QAR1(A),XP(e)
- Vars
- P(c);XP(C)::S(G),XP(c)
- P(g);OGATEB,XR(J)::B(K)
- P(g);OGATEB::B(K)
- P(h);OGATE::B(K)
- Refutation
- S(f);
- Try
- Q(A);P_PINP(a)
- Threat
- QAR2(A),XP(a)
- Vars
- P(g);OGATEB,XR(J)::B(K)
- P(g);OGATEB::B(K)
- Refutation
- S(f);
- Try
- Actual
- Q(A);
- Threat
- QAR2(A)
- Vars
- P(c);XP(C)::S(G),XP(c)
- P(g);OGATEB,XR(J)::B(K)
- P(h);OGATE::B(K)
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).