MESON Chess Problem Database
Problem Display
PID: 150001 (2b1K1Nn/pRp1P2R/p3k1p1/P7/5P1N/B2Q2p1/q1P5/4r3 w - - 0 1)
Aberman, Victor
Live Journal, 2011
#2
11 + 10
| 15148 | Sadier Collection | 2014 |
SOLUTION
- SOUND
- Sets
- 1...Qb1
- 2.Qc4#
- 1...Qb3
- 2.Qxb3#
- 1...Qc4
- 2.Qxc4#
- 1...Qa1
- 2.Qc4#
- 2.Qb3#
- 1...Qb2
- 2.Qc4#
- 1...Ra1
- 2.Qe4#
- 1...Rb1
- 2.Qe4#
- 1...Rc1
- 2.Qe4#
- 1...Rd1
- 2.Qe4#
- 1...Rf1
- 2.Qe4#
- 1...Rg1
- 2.Qe4#
- 1...Rh1
- 2.Qe4#
- 1...Re4
- 2.Qxe4#
- 1...Bxb7
- 2.Qd7#
- 1...Bd7+
- 2.Qxd7#
- 1...g5
- 2.Qf5#
- 1...c6
- 2.Qd6#
- 1...Qb1
- Tries
- 1.Sxg6?
- threat
- 2.Sf8#
- 2.f5#
- 1...Bd7+
- 2.Qxd7#
- 1...Re4
- 2.Qxe4#
- 1...Qd5
- 2.Sf8#
- 1...Rf1
- 2.Sf8#
- 2.Qe4#
- 1...Re5
- 2.Sf8#
- 1...Sxg6!
- threat
- 1.Rb6+?
- 1...cxb6
- 2.Qd6#
- 1...c6
- 2.Rxc6#
- 2.Qd6#
- 1...axb6!
- 1...cxb6
- 1.Rf7?
- threat
- 2.Rf6#
- 1...Bd7+
- 2.Qxd7#
- 1...Qa1
- 2.Qc4#
- 2.Qb3#
- 1...Qb2
- 2.Qc4#
- 1...Sxf7!
- threat
- 1.Qxa6+?
- 1...c6
- 2.Qxc6#
- 1...Kd5!
- 1...c6
- 1.f5+?
- 1...gxf5
- 2.Qxf5#
- 1...Ke5!
- 1...gxf5
- 1.Sxg6?
- Keys
- 1.Rh5!
- 1...Bd7+
- 2.Qxd7#
- 1...Qxc2
- 2.Qd5#
- 1...Qxa3
- 2.Qd5#
- 1...Bxb7
- 2.Qd7#
- 1...gxh5
- 2.Qf5#
- 1...Qd5
- 2.Qxd5#
- 1...Qb1
- 2.Qc4#
- 2.Qd5#
- 1...Qb3
- 2.Qxb3#
- 1...Qc4
- 2.Qxc4#
- 1...Qa1
- 2.Qc4#
- 2.Qb3#
- 2.Qd5#
- 1...Qb2
- 2.Qc4#
- 2.Qd5#
- 1...Ra1
- 2.Re5#
- 2.Qe2#
- 2.Qe4#
- 2.Qe3#
- 1...Rb1
- 2.Re5#
- 2.Qe2#
- 2.Qe4#
- 2.Qe3#
- 1...Rc1
- 2.Re5#
- 2.Qe2#
- 2.Qe4#
- 2.Qe3#
- 1...Rd1
- 2.Re5#
- 2.Qe2#
- 2.Qe4#
- 2.Qe3#
- 1...Rf1
- 2.Re5#
- 2.Qe2#
- 2.Qe4#
- 2.Qe3#
- 1...Rg1
- 2.Re5#
- 2.Qe2#
- 2.Qe4#
- 2.Qe3#
- 1...Rh1
- 2.Re5#
- 2.Qe2#
- 2.Qe4#
- 2.Qe3#
- 1...Re2
- 2.Qxe2#
- 1...Re3
- 2.Qxe3#
- 1...Re4
- 2.Qxe4#
- 1...Re5
- 2.Rxe5#
- 1...Sf7
- 2.Qxg6#
- 1...g2
- 2.Qh3#
- 1...g5
- 2.Qf5#
- 1...c5
- 2.Qxa6#
- 1...c6
- 2.Qd6#
- 1...Bd7+
- 1.Rh5!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 10
- REMOVED MATES = 9
- Sets
- Q(b);N_GUARD::QAB(C)
- Q(b);N_GUARD::QAB(C),XQ(b)
- R(a);N_GUARD::QAR2(C)
- R(a);N_GUARD::QAR2(C),XR(a)
- B(i);N_GUARD,XR(G)::QAB1(C)
- B(i);CHECK,N_GUARD::QAB1(C),XB(i)
- P(f);N_GUARD::QAB1(C)
- P(h);N_GUARD::QAR1(C)
- Tries
- Try
- S(E);XP(f)
- Threat
- DUALS(2)
- Vars
- B(i);CHECK,N_GUARD::QAB1(C),XB(i)
- R(a);N_GUARD::QAR2(C),XR(a)
- Q(b);::S(E)
- R(a);::S(E)
- Refutation
- S(j);XS(E)
- Try
- R(G);CHECK
- Vars
- P(h);N_GUARD,XR(G)::QAR1(C)
- Refutation
- P(g);XR(G)
- Try
- R(I);
- Threat
- R1(I)
- Vars
- B(i);CHECK,N_GUARD::QAB1(C),XB(i)
- Q(b);N_GUARD::QAB(C)
- Refutation
- S(j);XR(I)
- Try
- Q(C);CHECK,XP(d)
- Vars
- P(h);P_SPINP(h)::QAR2(C),XP(h)
- Refutation
- K(e);P_PINP(H),S_FLIGHT
- Try
- P(D);CHECK
- Vars
- P(f);OGATE,XP(D)::QAB1(C),XP(f)
- Refutation
- K(e);P-FLIGHT
- Try
- Actual
- R(I);
- Vars
- B(i);CHECK,N_GUARD::QAB1(C),XB(i)
- Q(b);N_GUARD,XP(A)::QAB1(C)
- Q(b);N_GUARD,XB(B)::QAB1(C)
- B(i);N_GUARD,XR(G)::QAB1(C)
- P(f);N_GUARD,XR(I)::QAB1(C)
- Q(b);N_GUARD::QAB1(C),XQ(b)
- Q(b);N_GUARD::QAB(C),XQ(b)
- R(a);N_GUARD::QAR(C),XR(a)
- R(a);N_GUARD::QAR2(C),XR(a)
- R(a);N_GUARD::R1(I),XR(a)
- S(j);N_GUARD::QAR2(C),XP(f)
- P(c);OGATE::QAB(C)
- P(f);N_GUARD::QAB1(C)
- P(h);N_GUARD::QAR(C),XP(d)
- P(h);N_GUARD::QAR1(C)
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).