MESON Chess Problem Database
Problem Display
PID: 246440 (8/2B5/3rpN1p/2pPk1pN/2b2pK1/2Pp1P2/3Pp3/Q1R5 w - - 0 1)
Pankratiev, Aleksandr Nikolaevich
Shakhmatnaya Poeziya, 2006
#2
10 + 10
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Ba2
- 2.c4#
- 1...Bb3
- 2.c4#
- 1...Bb5
- 2.c4#
- 1...Bxd5
- 2.Sd7#
- 2.c4#
- 1...Ba6
- 2.c4#
- 1...e1Q
- 2.Rxe1#
- 1...e1S
- 2.Rxe1#
- 1...e1B
- 2.Rxe1#
- 1...e1R
- 2.Rxe1#
- 1...Ba2
- Tries
- 1.Bb8?
- 1...Bxd5
- 2.Sd7#
- 2.c4#
- 1...e1Q
- 2.Rxe1#
- 1...e1S
- 2.Rxe1#
- 1...e1B
- 2.Rxe1#
- 1...e1R
- 2.Rxe1#
- 1...Ba2
- 2.c4#
- 1...Bb3
- 2.c4#
- 1...Bb5
- 2.c4#
- 1...Ba6
- 2.c4#
- 1...exd5!
- 1...Bxd5
- 1.Rb1?
- 1...Bxd5
- 2.Sd7#
- 2.c4#
- 1...e1Q
- 2.Rxe1#
- 1...e1S
- 2.Rxe1#
- 1...e1B
- 2.Rxe1#
- 1...e1R
- 2.Rxe1#
- 1...Ba2
- 2.c4#
- 1...Bb3
- 2.c4#
- 1...Bb5
- 2.c4#
- 1...Ba6
- 2.c4#
- 1...exd5!
- 1...Bxd5
- 1.Re1?
- 1...Bxd5
- 2.Sd7#
- 2.c4#
- 1...Ba2
- 2.c4#
- 1...Bb3
- 2.c4#
- 1...Bb5
- 2.c4#
- 1...Ba6
- 2.c4#
- 1...exd5!
- 1...Bxd5
- 1.Rg1?
- 1...Bxd5
- 2.Sd7#
- 2.c4#
- 1...e1Q
- 2.Rxe1#
- 2.Qxe1#
- 1...e1S
- 2.Rxe1#
- 2.Qxe1#
- 1...e1B
- 2.Rxe1#
- 2.Qxe1#
- 1...e1R
- 2.Rxe1#
- 2.Qxe1#
- 1...Ba2
- 2.c4#
- 1...Bb3
- 2.c4#
- 1...Bb5
- 2.c4#
- 1...Ba6
- 2.c4#
- 1...exd5!
- 1...Bxd5
- 1.Rh1?
- 1...Bxd5
- 2.Sd7#
- 2.c4#
- 1...e1Q
- 2.Rxe1#
- 2.Qxe1#
- 1...e1S
- 2.Rxe1#
- 2.Qxe1#
- 1...e1B
- 2.Rxe1#
- 2.Qxe1#
- 1...e1R
- 2.Rxe1#
- 2.Qxe1#
- 1...Ba2
- 2.c4#
- 1...Bb3
- 2.c4#
- 1...Bb5
- 2.c4#
- 1...Ba6
- 2.c4#
- 1...exd5!
- 1...Bxd5
- 1.Qb2?
- 1...Bxd5
- 2.Sd7#
- 2.c4#
- 1...e1Q
- 2.Rxe1#
- 1...e1S
- 2.Rxe1#
- 1...e1B
- 2.Rxe1#
- 1...e1R
- 2.Rxe1#
- 1...Ba2
- 2.c4#
- 1...Bb3
- 2.c4#
- 1...Bb5
- 2.c4#
- 1...Ba6
- 2.c4#
- 1...exd5!
- 1...Bxd5
- 1.Qa6?
- threat
- 2.Bxd6#
- 2.Qxd6#
- 1...exd5
- 2.Qxd6#
- 1...Bxa6!
- threat
- 1.Qa8?
- threat
- 2.Sd7#
- 1...exd5
- 2.Qe8#
- 1...Bb5!
- threat
- 1.Bb8?
- Keys
- 1.Qa4!
- 1...Bxd5
- 2.Sd7#
- 1...exd5
- 2.Qe8#
- 1...e1Q
- 2.Rxe1#
- 1...e1S
- 2.Rxe1#
- 1...e1B
- 2.Rxe1#
- 1...e1R
- 2.Rxe1#
- 1...Ba2
- 2.Qe4#
- 1...Bb3
- 2.Qe4#
- 1...Bb5
- 2.Qe4#
- 1...Ba6
- 2.Qe4#
- 1...Bxd5
- 1.Qa4!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 4
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- B(c);OGATE::QAB(A)+P(D)
- P(a);OGATEB::R(B),XQ(a)
- P(a);OGATEB::R(B),XS(a)
- P(a);OGATEB::R(B),XB(a)
- P(a);OGATEB::R(B),XR(a)
- Tries
- Try
- B(J);
- Vars
- P(a);OGATEB::R(B),XQ(a)
- P(a);OGATEB::R(B),XS(a)
- P(a);OGATEB::R(B),XB(a)
- P(a);OGATEB::R(B),XR(a)
- B(c);OGATE::QAB(A)+P(D)
- Refutation
- P(i);XP(G)
- Try
- R(B);
- Vars
- P(a);OGATEB::R(B),XQ(a)
- P(a);OGATEB::R(B),XS(a)
- P(a);OGATEB::R(B),XB(a)
- P(a);OGATEB::R(B),XR(a)
- B(c);OGATE::QAB(A)+P(D)
- Refutation
- P(i);XP(G)
- Try
- R(B);P_PINP(a)
- Vars
- B(c);OGATE::QAB(A)+P(D)
- Refutation
- P(i);XP(G)
- Try
- R(B);
- Vars
- B(c);OGATE::QAB(A)+P(D)
- Refutation
- P(i);XP(G)
- Try
- R(B);
- Vars
- B(c);OGATE::QAB(A)+P(D)
- Refutation
- P(i);XP(G)
- Try
- Q(A);
- Vars
- P(a);OGATEB::R(B),XQ(a)
- P(a);OGATEB::R(B),XS(a)
- P(a);OGATEB::R(B),XB(a)
- P(a);OGATEB::R(B),XR(a)
- B(c);OGATE::QAB(A)+P(D)
- Refutation
- P(i);XP(G)
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- P(i);XP(G)::QAB1(A),XR(h)
- Refutation
- B(c);XQ(A)
- Try
- Q(A);
- Threat
- S(I)
- Vars
- P(i);OGATEB,XP(G)::QAR(A)
- Refutation
- B(c);
- Try
- Actual
- Q(A);
- Vars
- B(c);SBLOCK,XP(G)::S(I)
- P(i);OGATEB,XP(G)::QAR(A)
- P(a);OGATEB::R(B),XQ(a)
- P(a);OGATEB::R(B),XS(a)
- P(a);OGATEB::R(B),XB(a)
- P(a);OGATEB::R(B),XR(a)
- B(c);OGATE::QAR1(A)
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).