MESON Chess Problem Database
Problem Display
PID: 184037 (1b2Rq2/3N3b/4Bp2/1KPPp3/3Pk1Pr/1R4Pp/1BP1p1P1/Q7 w - - 0 1)
Rice, John Michael
1/2 Prize, Wola Gulowska, 2013
#2
14 + 9
| 23 | Die Schwalbe | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Qxc5+
- 2.Sxc5#
- 1...Qd6
- 2.Sxf6#
- 1...Qg8
- 2.Sxf6#
- 1...e1Q
- 2.Qxe1#
- 1...e1S
- 2.Qxe1#
- 1...e1B
- 2.Qxe1#
- 1...e1R
- 2.Qxe1#
- 1...Qxc5+
- Tries
- 1.Bf5+?
- 1...Kxd5
- 2.Sb6#
- 2.Qa8#
- 2.c4#
- 1...Bxf5!
- 1...Kxd5
- 1.Qb1?
- threat
- 2.c4#
- 1...Qxc5+
- 2.Sxc5#
- 1...e1Q
- 2.Qxe1#
- 1...e1S
- 2.Qxe1#
- 1...e1R
- 2.Qxe1#
- 1...exd4!
- threat
- 1.Qe1?
- threat
- 2.Qxe2#
- 1...Qxc5+
- 2.Sxc5#
- 1...Qh6!
- threat
- 1.Qg1?
- threat
- 2.Re3#
- 2.Qe3#
- 1...Qxc5+
- 2.Sxc5#
- 1...exd4
- 2.Qxd4#
- 1...e1Q
- 2.Qxe1#
- 1...e1R
- 2.Qxe1#
- 1...Qh6!
- threat
- 1.Qh1?
- threat
- 2.gxh3#
- 1...Qxc5+
- 2.Sxc5#
- 1...hxg2
- 2.Qxg2#
- 1...e1Q
- 2.Qxe1#
- 1...e1S
- 2.Qxe1#
- 1...e1R
- 2.Qxe1#
- 1...h2!
- threat
- 1.Qa8?
- threat
- 2.d6#
- 1...Qxc5+
- 2.Sxc5#
- 1...Qd6
- 2.Sxf6#
- 1...Bd6!
- threat
- 1.gxh3?
- threat
- 2.Qh1#
- 1...Qxc5+
- 2.Sxc5#
- 1...e1Q
- 2.Qxe1#
- 1...e1S
- 2.Qxe1#
- 1...e1B
- 2.Qxe1#
- 1...e1R
- 2.Qxe1#
- 1...Rxh3!
- threat
- 1.dxe5?
- threat
- 2.Qa4#
- 1...Qxc5+
- 2.Sxc5#
- 1...e1Q
- 2.Qxe1#
- 1...e1B
- 2.Qxe1#
- 1...Bxe5!
- threat
- 1.d6?
- threat
- 2.Qa8#
- 1...Qxd6
- 2.Sxf6#
- 1...Ba7!
- threat
- 1.Bf5+?
- Keys
- 1.c4!
- threat
- 2.Qb1#
- 1...Qxc5+
- 2.Sxc5#
- 1...exd4
- 2.Bf5#
- 1...e1Q
- 2.Qxe1#
- 1...e1S
- 2.Qxe1#
- 1...e1R
- 2.Qxe1#
- threat
- 1.c4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 3
- Sets
- Q(i);CHECK,XP(J)::S(M),XQ(i)
- Q(i);N_GUARD::S(M),XP(f)
- P(a);OGATEB::QAR(A),XQ(a)
- P(a);OGATEB::QAR(A),XS(a)
- P(a);OGATEB::QAR(A),XB(a)
- P(a);OGATEB::QAR(A),XR(a)
- Tries
- Try
- B(L);CHECK,P_PINP(e)
- Refutation
- B(g);XB(L)
- Try
- Q(A);
- Threat
- QAB(A)+P(C)
- Vars
- Q(i);CHECK,XP(J)::S(M),XQ(i)
- P(a);OGATEB::QAR(A),XQ(a)
- P(a);OGATEB::QAR(A),XS(a)
- P(a);OGATEB::QAR(A),XR(a)
- Refutation
- P(e);XP(G)
- Try
- Q(A);P_PINP(a)
- Threat
- QAR2(A),XP(a)
- Vars
- Q(i);CHECK,XP(J)::S(M),XQ(i)
- Refutation
- Q(i);
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- Q(i);CHECK,XP(J)::S(M),XQ(i)
- P(e);OGATE,XP(G)::QAR1(A),XP(e)
- P(a);OGATEB::QAR(A),XQ(a)
- P(a);OGATEB::QAR(A),XR(a)
- Refutation
- Q(i);
- Try
- Q(A);
- Threat
- QAB(A)+P(D),XP(b)
- Vars
- Q(i);CHECK,XP(J)::S(M),XQ(i)
- P(b);OGATE,P_SPINP(b),XP(D)::QAB(A),XP(b)
- P(a);OGATEB::QAR(A),XQ(a)
- P(a);OGATEB::QAR(A),XS(a)
- P(a);OGATEB::QAR(A),XR(a)
- Refutation
- P(b);
- Try
- Q(A);
- Threat
- QAB(A)+P(K)
- Vars
- Q(i);CHECK,XP(J)::S(M),XQ(i)
- Q(i);N_GUARD::S(M),XP(f)
- Refutation
- B(h);
- Try
- P(D);XP(b)
- Threat
- QAB(A)
- Vars
- Q(i);CHECK,XP(J)::S(M),XQ(i)
- P(a);OGATEB::QAR(A),XQ(a)
- P(a);OGATEB::QAR(A),XS(a)
- P(a);OGATEB::QAR(A),XB(a)
- P(a);OGATEB::QAR(A),XR(a)
- Refutation
- R(d);XP(D)
- Try
- P(G);XP(e)
- Threat
- QAR(A)
- Vars
- Q(i);CHECK,XP(J)::S(M),XQ(i)
- P(a);OGATEB::QAR(A),XQ(a)
- P(a);OGATEB::QAR(A),XB(a)
- Refutation
- B(h);XP(G)
- Try
- P(K);
- Threat
- QAB(A)
- Vars
- Q(i);N_GUARD,XP(K)::S(M),XP(f)
- Refutation
- B(h);
- Try
- Actual
- P(C);
- Threat
- QAB(A)
- Vars
- Q(i);CHECK,XP(J)::S(M),XQ(i)
- P(e);XP(G)::R(N)+B(L),DCHECK
- P(a);OGATEB::QAR(A),XQ(a)
- P(a);OGATEB::QAR(A),XS(a)
- P(a);OGATEB::QAR(A),XR(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).