MESON Chess Problem Database
Problem Display
PID: 179447 (5K2/2p2pN1/2P1pNp1/1p3B1b/1Qq2k2/1R3p2/2P2P2/B4nR1 w - - 0 1)
Adabashev, Mark Ivanovich
64 Shakhmatnoe obozrenie, 1940
#2
11 + 10
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Qxb4+
- 2.Rxb4#
- 1...Qd4
- 2.Qxd4#
- 1...Qe4
- 2.Qxe4#
- 1...Bg4
- 2.Rxg4#
- 1...Sd2
- 2.Qxd2#
- 1...Sh2
- 2.Qd2#
- 1...Se3
- 2.fxe3#
- 1...Sg3
- 2.Qd2#
- 1...e5
- 2.Sd5#
- 1...gxf5
- 2.Sgxh5#
- 1...g5
- 2.Sfxh5#
- 1...Qxb4+
- Tries
- 1.Ke7?
- 1...Qxb4+
- 2.Rxb4#
- 1...gxf5
- 2.Sgxh5#
- 1...Qd4
- 2.Qxd4#
- 1...Bg4
- 2.Rxg4#
- 1...Sg3
- 2.Qd2#
- 1...Qe4
- 2.Qxe4#
- 1...Sd2
- 2.Qxd2#
- 1...Sh2
- 2.Qd2#
- 1...Se3
- 2.fxe3#
- 1...e5
- 2.Sd5#
- 1...g5
- 2.Sfxh5#
- 1...exf5!
- 1...Qxb4+
- 1.Ke8?
- 1...Qxb4
- 2.Rxb4#
- 1...gxf5
- 2.Sgxh5#
- 1...Qd4
- 2.Qxd4#
- 1...Bg4
- 2.Rxg4#
- 1...Sg3
- 2.Qd2#
- 1...Qe4
- 2.Qxe4#
- 1...Sd2
- 2.Qxd2#
- 1...Sh2
- 2.Qd2#
- 1...Se3
- 2.fxe3#
- 1...e5
- 2.Sd5#
- 1...g5
- 2.Sfxh5#
- 1...exf5!
- 1...Qxb4
- 1.Kg8?
- 1...Qxb4
- 2.Rxb4#
- 1...gxf5
- 2.Sgxh5#
- 1...Qd4
- 2.Qxd4#
- 1...Bg4
- 2.Rxg4#
- 1...Sg3
- 2.Qd2#
- 1...Qe4
- 2.Qxe4#
- 1...Sd2
- 2.Qxd2#
- 1...Sh2
- 2.Qd2#
- 1...Se3
- 2.fxe3#
- 1...e5
- 2.Sd5#
- 1...g5
- 2.Sfxh5#
- 1...exf5!
- 1...Qxb4
- 1.Bb2?
- 1...Qxb4+
- 2.Rxb4#
- 1...gxf5
- 2.Sgxh5#
- 1...Qd4
- 2.Qxd4#
- 1...Bg4
- 2.Rxg4#
- 1...Sg3
- 2.Qd2#
- 1...Qe4
- 2.Qxe4#
- 1...Sd2
- 2.Qxd2#
- 1...Sh2
- 2.Qd2#
- 1...Se3
- 2.fxe3#
- 1...e5
- 2.Sd5#
- 1...g5
- 2.Sfxh5#
- 1...exf5!
- 1...Qxb4+
- 1.Bd3?
- 1...Qxb4+
- 2.Rxb4#
- 1...Qd4
- 2.Qxd4#
- 1...Bg4
- 2.Rxg4#
- 1...Sg3
- 2.Qd2#
- 1...Qe4
- 2.Qxe4#
- 1...Sd2
- 2.Qxd2#
- 1...Sh2
- 2.Qd2#
- 1...e5
- 2.Sd5#
- 1...g5
- 2.Sfxh5#
- 2.Sgxh5#
- 1...Se3!
- 1...Qxb4+
- 1.Bh3?
- 1...Qxb4+
- 2.Rxb4#
- 1...Qd4
- 2.Qxd4#
- 1...Bg4
- 2.Rxg4#
- 1...Sg3
- 2.Qd2#
- 1...Qe4
- 2.Qxe4#
- 1...Sd2
- 2.Qxd2#
- 1...Sh2
- 2.Qd2#
- 1...Se3
- 2.fxe3#
- 1...g5
- 2.Sgxh5#
- 1...e5!
- 1...Qxb4+
- 1.Bxe6?
- 1...Qxb4+
- 2.Rxb4#
- 1...Qd4
- 2.Qxd4#
- 1...Bg4
- 2.Rxg4#
- 1...Sg3
- 2.Qd2#
- 1...Qe4
- 2.Sd5#
- 2.Qxe4#
- 1...Sd2
- 2.Qxd2#
- 1...Sh2
- 2.Qd2#
- 1...Se3
- 2.fxe3#
- 1...g5
- 2.Sgxh5#
- 1...fxe6!
- 1...Qxb4+
- 1.Bxg6?
- threat
- 2.Sfxh5#
- 2.Sgxh5#
- 1...Qxb4+
- 2.Rxb4#
- 1...Bxg6
- 2.Rg4#
- 1...Qd4
- 2.Qxd4#
- 1...Bg4
- 2.Rxg4#
- 1...Sg3
- 2.Qd2#
- 1...fxg6!
- threat
- 1.Qd2+?
- 1...Se3
- 2.Qxe3#
- 2.fxe3#
- 1...Sxd2!
- 1...Se3
- 1.Qd6+?
- 1...e5
- 2.Bxe5#
- 2.Qxe5#
- 1...cxd6!
- 1...e5
- 1.Ke7?
- Keys
- 1.Kxf7!
- 1...exf5+
- 2.Se6#
- 1...e5+
- 2.Sd5#
- 1...gxf5+
- 2.Sgxh5#
- 1...g5+
- 2.Sfxh5#
- 1...Qxb4
- 2.Rxb4#
- 1...Qd4
- 2.Qxd4#
- 1...Bg4
- 2.Rxg4#
- 1...Sg3
- 2.Qd2#
- 1...Qe4
- 2.Qxe4#
- 1...Sd2
- 2.Qxd2#
- 1...Sh2
- 2.Qd2#
- 1...Se3
- 2.fxe3#
- 1...exf5+
- 1.Kxf7!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- Q(c);CHECK,N_SPINQ(c),OGATE,XQ(F)::R(E),XQ(c)
- Q(c);OGATE::QAR2(F),XQ(c)
- Q(c);OGATE::QAR1(F),XQ(c)
- B(f);N_GUARD::R1(B),XB(f)
- S(a);N_GUARD::QAB(F),XS(a)
- S(a);N_GUARD::QAB(F)
- S(a);OGATE::P(D),XS(a)
- P(g);N_GUARD::S(I)
- P(h);N_GUARD,SBLOCK,XB(G)::S(J),XB(f)
- P(h);N_GUARD::S(I),XB(f)
- Tries
- Try
- K(K);S_FLIGHT
- Vars
- Q(c);CHECK,N_SPINQ(c),OGATE,XQ(F)::R(E),XQ(c)
- P(h);N_GUARD,SBLOCK,XB(G)::S(J),XB(f)
- Q(c);OGATE::QAR2(F),XQ(c)
- B(f);N_GUARD::R1(B),XB(f)
- S(a);N_GUARD::QAB(F)
- Q(c);OGATE::QAR1(F),XQ(c)
- S(a);N_GUARD::QAB(F),XS(a)
- S(a);OGATE::P(D),XS(a)
- P(g);N_GUARD::S(I)
- P(h);N_GUARD::S(I),XB(f)
- Refutation
- P(g);XB(G)
- Try
- K(K);P-FLIGHT
- Vars
- Q(c);N_SPINQ(c),OGATE,XQ(F)::R(E),XQ(c)
- P(h);N_GUARD,SBLOCK,XB(G)::S(J),XB(f)
- Q(c);OGATE::QAR2(F),XQ(c)
- B(f);N_GUARD::R1(B),XB(f)
- S(a);N_GUARD::QAB(F)
- Q(c);OGATE::QAR1(F),XQ(c)
- S(a);N_GUARD::QAB(F),XS(a)
- S(a);OGATE::P(D),XS(a)
- P(g);N_GUARD::S(I)
- P(h);N_GUARD::S(I),XB(f)
- Refutation
- P(g);XB(G)
- Try
- K(K);P-FLIGHT
- Vars
- Q(c);N_SPINQ(c),OGATE,XQ(F)::R(E),XQ(c)
- P(h);N_GUARD,SBLOCK,XB(G)::S(J),XB(f)
- Q(c);OGATE::QAR2(F),XQ(c)
- B(f);N_GUARD::R1(B),XB(f)
- S(a);N_GUARD::QAB(F)
- Q(c);OGATE::QAR1(F),XQ(c)
- S(a);N_GUARD::QAB(F),XS(a)
- S(a);OGATE::P(D),XS(a)
- P(g);N_GUARD::S(I)
- P(h);N_GUARD::S(I),XB(f)
- Refutation
- P(g);XB(G)
- Try
- B(A);
- Vars
- Q(c);CHECK,N_SPINQ(c),OGATE,XQ(F)::R(E),XQ(c)
- P(h);N_GUARD,SBLOCK,XB(G)::S(J),XB(f)
- Q(c);OGATE::QAR2(F),XQ(c)
- B(f);N_GUARD::R1(B),XB(f)
- S(a);N_GUARD::QAB(F)
- Q(c);OGATE::QAR1(F),XQ(c)
- S(a);N_GUARD::QAB(F),XS(a)
- S(a);OGATE::P(D),XS(a)
- P(g);N_GUARD::S(I)
- P(h);N_GUARD::S(I),XB(f)
- Refutation
- P(g);XB(G)
- Try
- B(G);
- Vars
- Q(c);CHECK,N_SPINQ(c),OGATE,XQ(F)::R(E),XQ(c)
- Q(c);OGATE::QAR2(F),XQ(c)
- B(f);N_GUARD::R1(B),XB(f)
- S(a);N_GUARD::QAB(F)
- Q(c);OGATE::QAR1(F),XQ(c)
- S(a);N_GUARD::QAB(F),XS(a)
- P(g);N_GUARD::S(I)
- Refutation
- S(a);
- Try
- B(G);
- Vars
- Q(c);CHECK,N_SPINQ(c),OGATE,XQ(F)::R(E),XQ(c)
- Q(c);OGATE::QAR2(F),XQ(c)
- B(f);N_GUARD::R1(B),XB(f)
- S(a);N_GUARD::QAB(F)
- Q(c);OGATE::QAR1(F),XQ(c)
- S(a);N_GUARD::QAB(F),XS(a)
- S(a);OGATE::P(D),XS(a)
- P(h);N_GUARD::S(J),XB(f)
- Refutation
- P(g);
- Try
- B(G);XP(g)
- Vars
- Q(c);CHECK,N_SPINQ(c),OGATE,XQ(F)::R(E),XQ(c)
- Q(c);OGATE::QAR2(F),XQ(c)
- B(f);N_GUARD::R1(B),XB(f)
- S(a);N_GUARD::QAB(F)
- S(a);N_GUARD::QAB(F),XS(a)
- S(a);OGATE::P(D),XS(a)
- P(h);N_GUARD::S(J),XB(f)
- Refutation
- P(j);XB(G)
- Try
- B(G);XP(h)
- Threat
- DUALS(2)
- Vars
- Q(c);CHECK,N_SPINQ(c),OGATE,XQ(F)::R(E),XQ(c)
- B(f);N_GUARD,XB(G)::R1(B)
- Q(c);OGATE::QAR2(F),XQ(c)
- B(f);N_GUARD::R1(B),XB(f)
- S(a);N_GUARD::QAB(F)
- Refutation
- P(j);XB(G)
- Try
- Q(F);CHECK,N_PINQ(c)
- Refutation
- S(a);XQ(F)
- Try
- Q(F);CHECK,N_PINQ(c)
- Refutation
- P(i);XQ(F)
- Try
- Actual
- K(K);P-FLIGHT,XP(j)
- Vars
- P(g);CHECK,SBLOCK,XB(G)::S(J)
- P(g);CHECK,N_GUARD::S(I)
- P(h);CHECK,N_GUARD,SBLOCK,XB(G)::S(J),XB(f)
- P(h);CHECK,N_GUARD::S(I),XB(f)
- Q(c);N_SPINQ(c),OGATE,XQ(F)::R(E),XQ(c)
- Q(c);OGATE::QAR2(F),XQ(c)
- B(f);N_GUARD::R1(B),XB(f)
- S(a);N_GUARD::QAB(F)
- Q(c);OGATE::QAR1(F),XQ(c)
- S(a);N_GUARD::QAB(F),XS(a)
- S(a);OGATE::P(D),XS(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).