MESON Chess Problem Database
Problem Display
PID: 86939 (8/5p2/3NpPp1/R5p1/P2kpbQ1/1K1NrP2/2P5/6B1 w - - 0 1)
Vasilenko, Anatoly Grigorovich
Poesie des Schachs, 2006
#2
10 + 8
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Bh2
- 2.Qxe4#
- 1...Bg3
- 2.Qxe4#
- 1...Be5
- 2.Qxe4#
- 1...Bxd6
- 2.Qxe4#
- 1...exd3
- 2.c3#
- 1...Bh2
- Tries
- 1.Sc4?
- 1...exd3
- 2.Bxe3#
- 2.c3#
- 1...Bh2
- 2.Bxe3#
- 2.Qxe4#
- 1...Bg3
- 2.Bxe3#
- 2.Qxe4#
- 1...Be5
- 2.Bxe3#
- 2.Qxe4#
- 1...Bd6
- 2.Bxe3#
- 2.Qxe4#
- 1...Bc7
- 2.Bxe3#
- 2.Qxe4#
- 1...Bb8
- 2.Bxe3#
- 2.Qxe4#
- 1...e5
- 2.Qd7#
- 1...exf3!
- 1...exd3
- 1.Sxe4?
- 1...Bh2
- 2.Sg3#
- 1...Bg3
- 2.Sxg3#
- 1...Bd6
- 2.Sxd6#
- 1...Bc7
- 2.Sd6#
- 1...Bb8
- 2.Sd6#
- 1...e5
- 2.Qd7#
- 1...Be5!
- 1...Bh2
- 1.Sb7?
- 1...exd3
- 2.c3#
- 1...Bh2
- 2.Qxe4#
- 1...Bg3
- 2.Qxe4#
- 1...Be5
- 2.Qxe4#
- 1...Bd6
- 2.Qxe4#
- 1...Bc7
- 2.Qxe4#
- 1...Bb8
- 2.Qxe4#
- 1...e5
- 2.Qd7#
- 1...exf3!
- 1...exd3
- 1.Sxf7?
- 1...exd3
- 2.c3#
- 1...Bh2
- 2.Qxe4#
- 1...Bg3
- 2.Qxe4#
- 1...Be5
- 2.Qxe4#
- 1...Bd6
- 2.Qxe4#
- 1...Bc7
- 2.Qxe4#
- 1...Bb8
- 2.Qxe4#
- 1...e5
- 2.Qd7#
- 1...exf3!
- 1...exd3
- 1.Sc8?
- 1...exd3
- 2.c3#
- 1...Bh2
- 2.Qxe4#
- 1...Bg3
- 2.Qxe4#
- 1...Be5
- 2.Qxe4#
- 1...Bd6
- 2.Qxe4#
- 1...Bc7
- 2.Qxe4#
- 1...Bb8
- 2.Qxe4#
- 1...e5
- 2.Qd7#
- 1...exf3!
- 1...exd3
- 1.Se8?
- 1...exd3
- 2.c3#
- 1...Bh2
- 2.Qxe4#
- 1...Bg3
- 2.Qxe4#
- 1...Be5
- 2.Qxe4#
- 1...Bd6
- 2.Qxe4#
- 1...Bc7
- 2.Qxe4#
- 1...Bb8
- 2.Qxe4#
- 1...e5
- 2.Qd7#
- 1...exf3!
- 1...exd3
- 1.Bxe3+?
- 1...Bxe3
- 2.Qxe4#
- 1...Kxe3!
- 1...Bxe3
- 1.Rd5+?
- 1...exd5
- 2.Sb5#
- 1...Kxd5!
- 1...exd5
- 1.Re5?
- threat
- 2.Sb5#
- 1...Bxe5
- 2.Qxe4#
- 1...exd3!
- threat
- 1.Rxg5?
- threat
- 2.Sb5#
- 1...Bxg5
- 2.Qxe4#
- 1...Bxd6
- 2.Qxe4#
- 1...exf3
- 2.Qxf4#
- 1...Be5
- 2.Qxe4#
- 1...e5!
- threat
- 1.Qxe6?
- threat
- 2.Sb5#
- 2.Rd5#
- 2.Qc4#
- 2.Qd5#
- 2.Qxe4#
- 1...Bxd6
- 2.Rd5#
- 2.Qc4#
- 2.Qd5#
- 2.Qxe4#
- 2.Qxd6#
- 1...exd3
- 2.Rd5#
- 2.Qc4#
- 2.Qd5#
- 2.Qe4#
- 2.c3#
- 1...exf3
- 2.Sb5#
- 2.Rd5#
- 2.Qc4#
- 2.Qd5#
- 2.Qe4#
- 1...Be5
- 2.Sb5#
- 2.Rd5#
- 2.Qc4#
- 2.Qd5#
- 2.Qxe5#
- 1...fxe6!
- threat
- 1.Qxf4?
- threat
- 2.Bxe3#
- 2.Qxe3#
- 2.Qe5#
- 2.Qxe4#
- 1...e5
- 2.Bxe3#
- 2.Qxe3#
- 2.Qxe5#
- 2.Qxe4#
- 1...gxf4!
- threat
- 1.Sc4?
- Keys
- 1.fxe4!
- 1...Bxd6
- 2.e5#
- 1...e5
- 2.Rd5#
- 1...Bh2
- 2.Sb5#
- 1...Bg3
- 2.Sb5#
- 1...Be5
- 2.Sb5#
- 1...Bxd6
- 1.fxe4!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 4
- ADDED MATES = 1
- REMOVED MATES = 1
- Sets
- B(d);OGATE,P_SPINP(c)::QAR1(G),XP(c)
- B(d);OGATE,P_SPINP(c),XS(I)::QAR1(G),XP(c)
- P(c);P_SPINB(d),SBLOCK,XS(D)::P(B)
- Tries
- Try
- S(I);
- Vars
- P(f);OGATE::QAR(G)
- Refutation
- P(c);P_SPINB(d),XP(E)
- Try
- S(I);XP(c)
- Vars
- B(d);::QAR(G)+S(I)
- B(d);::QAR(G)+S(I),XB(d)
- P(f);OGATE::QAR(G)
- Refutation
- B(d);
- Try
- S(I);
- Vars
- P(c);P_SPINB(d),SBLOCK,XS(D)::P(B)
- B(d);OGATE,P_SPINP(c)::QAR1(G),XP(c)
- P(f);OGATE::QAR(G)
- Refutation
- P(c);P_SPINB(d),XP(E)
- Try
- S(I);XP(h)
- Vars
- P(c);P_SPINB(d),SBLOCK,XS(D)::P(B)
- B(d);OGATE,P_SPINP(c)::QAR1(G),XP(c)
- P(f);OGATE::QAR(G)
- Refutation
- P(c);P_SPINB(d),XP(E)
- Try
- S(I);
- Vars
- P(c);P_SPINB(d),SBLOCK,XS(D)::P(B)
- B(d);OGATE,P_SPINP(c)::QAR1(G),XP(c)
- P(f);OGATE::QAR(G)
- Refutation
- P(c);P_SPINB(d),XP(E)
- Try
- S(I);
- Vars
- P(c);P_SPINB(d),SBLOCK,XS(D)::P(B)
- B(d);OGATE,P_SPINP(c)::QAR1(G),XP(c)
- P(f);OGATE::QAR(G)
- Refutation
- P(c);P_SPINB(d),XP(E)
- Try
- B(A);CHECK,N_SPINS(D),XR(a)
- Vars
- B(d);OGATE,P_SPINP(c),XB(A)::QAR1(G),XP(c)
- Refutation
- K(b);S_FLIGHT,XB(A)
- Try
- R(H);CHECK
- Vars
- P(f);SBLOCK,XR(H)::S(I)
- Refutation
- K(b);N_SPINR(a),P-FLIGHT,XR(H)
- Try
- R(H);
- Threat
- S(I)
- Vars
- B(d);OGATE,P_SPINP(c),XR(H)::QAR1(G),XP(c)
- Refutation
- P(c);P_SPINB(d),XS(D)
- Try
- R(H);XP(e)
- Threat
- S(I)
- Vars
- B(d);OGATE,P_SPINP(c),XR(H)::QAR1(G),XP(c)
- B(d);OGATE,P_SPINP(c),XS(I)::QAR1(G),XP(c)
- P(c);OGATEB,P_SPINB(d),XP(E)::QAR2(G),XB(d)
- B(d);OGATE,P_SPINP(c)::QAR1(G),XP(c)
- Refutation
- P(f);
- Try
- Q(G);XP(f)
- Threat
- DUALS(5)
- Refutation
- P(h);XQ(G)
- Try
- Q(G);P_PINP(c),XB(d)
- Threat
- DUALS(4)
- Refutation
- P(e);N_SPINP(c),XQ(G)
- Try
- Actual
- P(E);XP(c)
- Vars
- B(d);XS(I)::QAR(G)+P(E)
- P(f);N_GUARD::R1(H)
- B(d);::S(I)
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).