MESON Chess Problem Database
Problem Display
PID: 166052 (3r4/4R1p1/4PBp1/R2p1kp1/2B1pNN1/2p3PP/2Q2P2/1n1Kb3 w - - 0 1)
Guida, Marco
Die Schwalbe, 2017
#2
12 + 10
SOLUTION
- SOUND
- Sets
- 1...Ra8
- 2.Rxd5#
- 1...Rb8
- 2.Rxd5#
- 1...Rc8
- 2.Rxd5#
- 1...Re8
- 2.Rxd5#
- 1...Rf8
- 2.Rxd5#
- 1...Rg8
- 2.Rxd5#
- 1...Rh8
- 2.Rxd5#
- 1...Ra8
- Tries
- 1.Sg2?
- threat
- 2.S2e3#
- 1...Bxf2
- 2.Qxf2#
- 1...Bd2!
- threat
- 1.Sxd5?
- threat
- 2.Se3#
- 1...Rxd5+
- 2.Rxd5#
- 1...Bxf2
- 2.Qxf2#
- 1...Bd2
- 2.Sde3#
- 1...gxf6!
- threat
- 1.Sh5?
- threat
- 2.Se3#
- 2.Sxg7#
- 1...Bxf2
- 2.Sxg7#
- 2.Qxf2#
- 1...gxf6
- 2.Sg7#
- 1...Rg8
- 2.Se3#
- 2.Rxd5#
- 1...Bd2
- 2.Sxg7#
- 1...gxh5!
- threat
- 1.Bd3?
- threat
- 2.Bxe4#
- 1...exd3
- 2.Qxd3#
- 1...Sd2!
- threat
- 1.Bd4?
- threat
- 2.Se3#
- 2.Rf7#
- 1...Bxf2
- 2.Rf7#
- 1...Rd7
- 2.Se3#
- 1...Rf8
- 2.Se3#
- 2.Rxd5#
- 1...Bd2
- 2.Rf7#
- 1...gxf4!
- threat
- 1.Bxg7?
- threat
- 2.Se3#
- 2.Sh6#
- 2.Rf7#
- 1...Bxf2
- 2.Sh6#
- 2.Rf7#
- 1...Rd7
- 2.Se3#
- 2.Sh6#
- 1...Rf8
- 2.Se3#
- 2.Sh6#
- 2.Rxd5#
- 1...Rh8
- 2.Se3#
- 2.Rxd5#
- 2.Rf7#
- 1...Bd2
- 2.Sh6#
- 2.Rf7#
- 1...gxf4!
- threat
- 1.Rf7?
- threat
- 2.Se3#
- 2.Bxc3#
- 2.Bd4#
- 2.Be5#
- 2.Be7#
- 2.Bxg7#
- 2.Bxd8#
- 1...Bxf2
- 2.Bxc3#
- 2.Bd4#
- 2.Be5#
- 2.Be7#
- 2.Bxg7#
- 2.Bxd8#
- 1...gxf6
- 2.Rxf6#
- 1...Rd7
- 2.Se3#
- 2.Be7#
- 1...Rd6
- 2.Se3#
- 2.Bxc3#
- 2.Bd4#
- 2.Be5#
- 2.Be7#
- 2.Bxg7#
- 2.Bd8#
- 1...Ra8
- 2.Se3#
- 2.Bxc3#
- 2.Bd4#
- 2.Be5#
- 2.Be7#
- 2.Bxg7#
- 2.Bd8#
- 2.Rxd5#
- 1...Rb8
- 2.Se3#
- 2.Bxc3#
- 2.Bd4#
- 2.Be5#
- 2.Be7#
- 2.Bxg7#
- 2.Bd8#
- 2.Rxd5#
- 1...Rc8
- 2.Se3#
- 2.Bxc3#
- 2.Bd4#
- 2.Be5#
- 2.Be7#
- 2.Bxg7#
- 2.Bd8#
- 2.Rxd5#
- 1...Re8
- 2.Se3#
- 2.Bxc3#
- 2.Bd4#
- 2.Be5#
- 2.Be7#
- 2.Bxg7#
- 2.Bd8#
- 2.Rxd5#
- 1...Rf8
- 2.Se3#
- 2.Rxd5#
- 1...Rg8
- 2.Se3#
- 2.Bxc3#
- 2.Bd4#
- 2.Be5#
- 2.Be7#
- 2.Bxg7#
- 2.Bd8#
- 2.Rxd5#
- 1...Rh8
- 2.Se3#
- 2.Bxc3#
- 2.Bd4#
- 2.Be5#
- 2.Be7#
- 2.Bxg7#
- 2.Bd8#
- 2.Rxd5#
- 1...Bd2
- 2.Bxc3#
- 2.Bd4#
- 2.Be5#
- 2.Be7#
- 2.Bxg7#
- 2.Bxd8#
- 1...gxf4!
- threat
- 1.f3?
- threat
- 2.Qxe4#
- 2.fxe4#
- 1...Bxg3
- 2.Qxe4#
- 1...Sd2!
- threat
- 1.Sg2?
- Keys
- 1.Bxd5!
- threat
- 2.Qxe4#
- 1...Rxd5+
- 2.Rxd5#
- 1...Sd2
- 2.Bxe4#
- threat
- 1.Bxd5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 7
- Sets
- R(j);N_GUARD::R(I),XP(e)
- Tries
- Try
- S(G);
- Threat
- S(G)
- Vars
- B(b);OGATE,XP(C)::QAR(B),XB(b)
- Refutation
- B(b);
- Try
- S(G);P_SPINS(G),XP(e)
- Threat
- S(H)
- Vars
- R(j);CHECK,OGATE,P_SPINR(j),XS(G)::R(I),XR(j)
- B(b);OGATE,XP(C)::QAR(B),XB(b)
- B(b);N_PINS(G)::R(I)+S(G),DCHECK
- Refutation
- P(i);XB(K)
- Try
- S(G);
- Threat
- DUALS(2)
- Vars
- P(i);XB(K)::S(G)
- B(b);::S(G),XP(i)
- Refutation
- P(h);XS(G)
- Try
- B(F);
- Threat
- B(F),XP(d)
- Vars
- P(d);OGATE,XB(F)::QAB(B),XP(d)
- Refutation
- S(a);
- Try
- B(K);
- Threat
- DUALS(2)
- Vars
- B(b);XP(C)::R(L)
- R(j);::S(H)
- B(b);::R(L)
- Refutation
- P(g);XS(G)
- Try
- B(K);XP(i)
- Threat
- DUALS(3)
- Refutation
- P(g);XS(G)
- Try
- R(L);
- Threat
- DUALS(7)
- Vars
- P(i);OGATE,XB(K)::R1(L),XP(i)
- Refutation
- P(g);XS(G)
- Try
- P(C);
- Threat
- DUALS(2)
- Vars
- B(b);XP(D)::QAB1(B),XP(d)
- Refutation
- S(a);
- Try
- Actual
- B(F);P_SPINB(F),XP(e)
- Threat
- QAB1(B),XP(d)
- Vars
- R(j);CHECK,OGATE,P_SPINR(j),XB(F)::R(I),XR(j)
- S(a);N_PINB(F)::R(I)+B(F),DCHECK,XP(d)
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).