MESON Chess Problem Database
Problem Display
PID: 266690 (n5b1/4K1P1/2R1n3/Np1kBB1R/2Npp3/1Pp3Pp/5p2/5Q2 w - - 0 1)
Murashev, Pavel Aleksandrovich
1st Prize, Shakhmatnaya kompozitsiya, 2021
#2
11 + 10
| 6490 | yacpdb | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Bh7
- 2.Bxe6#
- 1...Sc5
- 2.Rd6#
- 1...e3
- 2.Qh1#
- 1...Bh7
- Tries
- 1.Se3+?
- 1...Kxe5
- 2.Bxe6#
- 1...dxe3!
- 1...Kxe5
- 1.Sb6+?
- 1...Kxe5
- 2.Bxe6#
- 1...Sxb6!
- 1...Kxe5
- 1.Sd6?
- threat
- 2.Bxe4#
- 1...Kxe5
- 2.Bxe6#
- 1...Bh7
- 2.Bxe6#
- 1...Sg5
- 2.Qxb5#
- 1...e3
- 2.Be4#
- 1...Sc5!
- threat
- 1.Sb7?
- threat
- 2.Rd6#
- 1...Kxc6
- 2.Bxe4#
- 1...bxc4!
- threat
- 1.Bd6?
- threat
- 2.Bxe6#
- 1...Sxg7
- 2.Be6#
- 2.Rc5#
- 1...Sf4
- 2.Be6#
- 2.Rc5#
- 1...Sc5
- 2.Bxh3#
- 2.Bg4#
- 2.Be6#
- 2.Bg6#
- 2.Bd7#
- 2.Bh7#
- 2.Bc8#
- 2.Rxc5#
- 1...Sg5
- 2.Rc5#
- 1...Sec7
- 2.Bxh3#
- 2.Bg4#
- 2.Be6#
- 2.Bg6#
- 2.Bd7#
- 2.Bh7#
- 2.Bc8#
- 2.Rc5#
- 1...Sd8
- 2.Bxh3#
- 2.Bg4#
- 2.Be6#
- 2.Bg6#
- 2.Bd7#
- 2.Bh7#
- 2.Bc8#
- 2.Rc5#
- 1...Sf8
- 2.Bxh3#
- 2.Bg4#
- 2.Be6#
- 2.Bg6#
- 2.Bd7#
- 2.Bh7#
- 2.Bc8#
- 2.Rc5#
- 1...e3
- 2.Qh1#
- 1...d3!
- threat
- 1.Bf6?
- threat
- 2.Bxe6#
- 1...Sxg7
- 2.Be6#
- 1...Sf4
- 2.Be6#
- 1...Sc5
- 2.Bxh3#
- 2.Bg4#
- 2.Be6#
- 2.Bg6#
- 2.Bd7#
- 2.Bh7#
- 2.Bc8#
- 2.Rd6#
- 1...Sec7
- 2.Bxh3#
- 2.Bg4#
- 2.Be6#
- 2.Bg6#
- 2.Bd7#
- 2.Bh7#
- 2.Bc8#
- 1...Sd8
- 2.Bxh3#
- 2.Bg4#
- 2.Be6#
- 2.Bg6#
- 2.Bd7#
- 2.Bh7#
- 2.Bc8#
- 1...Sf8
- 2.Bxh3#
- 2.Bg4#
- 2.Be6#
- 2.Bg6#
- 2.Bd7#
- 2.Bh7#
- 2.Bc8#
- 1...e3
- 2.Qh1#
- 1...Sg5!
- threat
- 1.Qe2?
- threat
- 2.Bxe4#
- 2.Qxe4#
- 1...Bh7
- 2.Bxe6#
- 2.Qxe4#
- 1...Sc5
- 2.Rd6#
- 1...e3
- 2.Qf3#
- 1...Sg5!
- threat
- 1.Qd3?
- threat
- 2.Bxe4#
- 2.Qxe4#
- 1...Sg5
- 2.Qxd4#
- 1...Bh7
- 2.Bxe6#
- 2.Qxe4#
- 1...Sc5
- 2.Rd6#
- 2.Qxd4#
- 1...e3
- 2.Be4#
- 2.Qe4#
- 1...exd3!
- threat
- 1.Qh1?
- threat
- 2.Bxe4#
- 2.Qxe4#
- 1...Bh7
- 2.Bxe6#
- 2.Qxe4#
- 1...Sc5
- 2.Rd6#
- 1...Sg5!
- threat
- 1.Se3+?
- Keys
- 1.Bxd4!
- threat
- 2.Rd6#
- 1...Kxd4
- 2.Qd1#
- 1...Sxd4
- 2.Be6#
- threat
- 1.Bxd4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 3
- Sets
- B(j);N_GUARD::B(G),XS(h)
- S(h);SBLOCK::R1(I)
- P(e);OGATEB::QAB(A)
- Tries
- Try
- S(D);CHECK
- Vars
- K(g);P-FLIGHT,XB(F)::R(H)+B(G),XS(h)
- Refutation
- P(d);XS(D)
- Try
- S(D);CHECK
- Vars
- K(g);P-FLIGHT,XB(F)::R(H)+B(G),XS(h)
- Refutation
- S(i);XS(D)
- Try
- S(D);
- Threat
- B(G),XP(e)
- Vars
- K(g);P-FLIGHT,S_CUTB(j),XB(F)::R(H)+B(G),XS(h)
- B(j);N_GUARD::B(G),XS(h)
- S(h);N_GUARD::QAR2(A),XP(f)
- P(e);::B(G)
- Refutation
- S(h);
- Try
- S(E);
- Threat
- R1(I)
- Vars
- K(g);N_GUARD,S_FLIGHT,XR(I)::B(G),XP(e)
- Refutation
- P(f);XS(D)
- Try
- B(F);
- Threat
- R(H)+B(G),DCHECK,XS(h)
- Vars
- S(h);N_GUARD::R1(I)
- P(e);OGATEB::QAB(A)
- Refutation
- P(d);
- Try
- B(F);
- Threat
- R(H)+B(G),DCHECK,XS(h)
- Vars
- S(h);XP(K)::R(H)+B(G),DCHECK
- S(h);::R(H)+B(G),DCHECK
- P(e);OGATEB::QAB(A)
- Refutation
- S(h);
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- S(h);SBLOCK::R1(I)
- P(e);OGATEB::QAB(A)
- Refutation
- S(h);
- Try
- Q(A);P_PINP(d)
- Threat
- DUALS(2)
- Vars
- S(h);N_GUARD::QAR1(A),XP(d)
- Refutation
- P(e);N_SPINP(d),XQ(A)
- Try
- Q(A);P_PINP(e)
- Threat
- DUALS(2)
- Vars
- S(h);SBLOCK::R1(I)
- Refutation
- S(h);
- Try
- Actual
- B(F);XP(d)
- Threat
- R1(I)
- Vars
- K(g);OGATEB,P-FLIGHT,XB(F)::QAR(A)
- S(h);SBLOCK,XB(F)::R(H)+B(G),DCHECK
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).