MESON Chess Problem Database
Problem Display
PID: 949 (4R3/3p1p2/8/p1P1P1p1/1b1p1pP1/2PN1Pr1/RPB1k1PQ/2B1N1K1 w - - 0 1)
Battaglia, Emilio
The Problemist Supplement, 1994
#2
15 + 9
SOLUTION
- SOUND
- Sets
- 1...Rxg2+
- 2.Qxg2#
- 1...Rxf3
- 2.gxf3#
- 1...Rh3
- 2.gxh3#
- 1...Rxg4
- 2.g3#
- 1...d5
- 2.exd5 ep#
- 1...d6
- 2.exd6#
- 1...f5
- 2.exf5 ep#
- 1...f6
- 2.exf6#
- 1...Rxg2+
- Tries
- 1.Sxf4+?
- 1...Kxe1
- 2.Qxg3#
- 1...gxf4!
- 1...Kxe1
- 1.Sxf4+?
- Keys
- 1.Ba4!
- 1...Rxg2+
- 2.Qxg2#
- 1...Rxf3
- 2.gxf3#
- 1...Rxg4
- 2.g3#
- 1...Bxc3
- 2.bxc3#
- 1...Bxc5
- 2.b4#
- 1...dxc3
- 2.bxc3#
- 1...Rh3
- 2.gxh3#
- 1...Ba3
- 2.bxa3#
- 1...d5
- 2.exd5 ep#
- 1...d6
- 2.exd6#
- 1...f5
- 2.exf5 ep#
- 1...f6
- 2.exf6#
- 1...Rxg2+
- 1.Ba4!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 0
- Sets
- R(b);CHECK,OGATE,P_SPINR(b),XP(G)::QAR2(H),XR(b)
- R(b);N_PINP(G),XP(K)::QAR(H)+P(G),XR(b)
- R(b);N_PINP(G)::QAR(H)+P(G),XR(b)
- R(b);XP(L)::QAR(H)+P(G)
- P(h);OGATE::R(O)+P(N),XP(h),EP
- P(h);OGATE::R(O)+P(N),XP(h)
- P(i);OGATE::R(O)+P(N),XP(i),EP
- P(i);OGATE::R(O)+P(N),XP(i)
- Tries
- Try
- S(J);CHECK,XP(e)
- Vars
- K(a);P-FLIGHT,XS(B)::QAB(H),XR(b)
- Refutation
- P(g);XS(J)
- Try
- Actual
- B(F);
- Vars
- R(b);CHECK,OGATE,P_SPINR(b),XP(G)::QAR2(H),XR(b)
- R(b);N_PINP(G),XP(K)::QAR(H)+P(G),XR(b)
- R(b);XP(L)::QAR(H)+P(G)
- B(c);OGATE,XP(I)::R(D)+P(E),XB(c)
- B(c);OGATE,XP(M)::R(D)+P(E)
- P(d);OGATE,XP(I)::R(D)+P(E),XP(d)
- R(b);N_PINP(G)::QAR(H)+P(G),XR(b)
- B(c);OGATE::R(D)+P(E),XB(c)
- P(h);OGATE::R(O)+P(N),XP(h),EP
- P(h);OGATE::R(O)+P(N),XP(h)
- P(i);OGATE::R(O)+P(N),XP(i),EP
- P(i);OGATE::R(O)+P(N),XP(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).