MESON Chess Problem Database
Problem Display
PID: 267704 (2R1Q3/K2n4/N2p3b/1p1k1N2/1R6/6nB/b1p2r2/3r2B1 w - - 0 1)
Novejarque Iranzo, Francisco
3rd HM.=, El Diluvio, 1932-1933
#2
8 + 10
SOLUTION
- SOUND
- Sets
- 1...Ra1
- 2.Rd4#
- 1...Rb1
- 2.Rd4#
- 1...Rc1
- 2.Rd4#
- 1...Re1
- 2.Rd4#
- 1...Rdf1
- 2.Rd4#
- 1...Rxg1
- 2.Rd4#
- 1...Rd4
- 2.Rxd4#
- 1...Rf4
- 2.Se3#
- 1...Bd2
- 2.Rd4#
- 1...Be3+
- 2.Sxe3#
- 1...Bg7
- 2.Se3#
- 1...Bf8
- 2.Se3#
- 1...Sf1
- 2.Qe4#
- 1...Sh1
- 2.Qe4#
- 1...Se2
- 2.Qe4#
- 1...Se4
- 2.Qxe4#
- 1...Sxf5
- 2.Qe4#
- 1...Sh5
- 2.Qe4#
- 1...Sc5
- 2.Sc7#
- 1...Se5
- 2.Se7#
- 1...Sb6
- 2.Rxb5#
- 1...Sf6
- 2.Rxb5#
- 1...Sb8
- 2.Rxb5#
- 1...Sf8
- 2.Rxb5#
- 1...Ra1
- Tries
- 1.Rbc4?
- threat
- 2.Sb4#
- 1...Be3+
- 2.Sxe3#
- 1...Rb1
- 2.Rd4#
- 1...Bd2
- 2.Rd4#
- 1...b4
- 2.Sxb4#
- 1...Sc5!
- threat
- 1.Re4?
- threat
- 2.Sb4#
- 2.Qe6#
- 1...Be3+
- 2.Sxe3#
- 1...Sxe4
- 2.Sb4#
- 1...Rb1
- 2.Rd4#
- 2.Qe6#
- 1...Rd4
- 2.Rxd4#
- 2.Qe6#
- 1...Bd2
- 2.Rd4#
- 2.Qe6#
- 1...Sc5
- 2.Sb4#
- 2.Sc7#
- 2.Qc6#
- 1...Sf8
- 2.Sb4#
- 2.Qc6#
- 1...b4
- 2.Sxb4#
- 2.Qe6#
- 1...Se5!
- threat
- 1.Rf4?
- threat
- 2.Se3#
- 2.Sb4#
- 1...Bxf4
- 2.Sb4#
- 1...Sxf5
- 2.Sb4#
- 2.Qe4#
- 1...c1Q
- 2.Sb4#
- 1...c1B
- 2.Sb4#
- 1...Rb1
- 2.Se3#
- 2.Rd4#
- 1...Re1
- 2.Sb4#
- 2.Rd4#
- 1...Rd3
- 2.Sb4#
- 1...Rd4
- 2.Se3#
- 2.Rxd4#
- 1...Re2
- 2.Sb4#
- 1...Rf3
- 2.Sb4#
- 1...Sf1
- 2.Sb4#
- 2.Qe4#
- 1...Se4
- 2.Sb4#
- 2.Qxe4#
- 1...b4
- 2.Se3#
- 2.Sxb4#
- 1...Rxf4!
- threat
- 1.Rg4?
- threat
- 2.Sb4#
- 1...Be3+
- 2.Sxe3#
- 1...Rb1
- 2.Rd4#
- 1...Rd4
- 2.Rxd4#
- 1...Bd2
- 2.Rd4#
- 1...b4
- 2.Sxb4#
- 1...Rf4!
- threat
- 1.Rh4?
- threat
- 2.Sb4#
- 1...Be3+
- 2.Sxe3#
- 1...Rb1
- 2.Rd4#
- 1...Rd4
- 2.Rxd4#
- 1...Bd2
- 2.Rd4#
- 1...b4
- 2.Sxb4#
- 1...Rf4!
- threat
- 1.Rc3?
- threat
- 2.Sc7#
- 1...Be3+
- 2.Sxe3#
- 1...Bc4!
- threat
- 1.Rc5+?
- 1...Sxc5
- 2.Sc7#
- 1...dxc5!
- 1...Sxc5
- 1.Rbc4?
- Keys
- 1.Ra4!
- threat
- 2.Sb4#
- 1...Be3+
- 2.Sxe3#
- 1...Sxf5
- 2.Qe4#
- 1...Rb1
- 2.Rd4#
- 1...Rd4
- 2.Rxd4#
- 1...Rf4
- 2.Se3#
- 1...Bd2
- 2.Rd4#
- 1...Sc5
- 2.Sc7#
- 1...Se5
- 2.Se7#
- 1...b4
- 2.Sxb4#
- threat
- 1.Ra4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 16
- Sets
- R(a);N_GUARD::R1(C)
- R(a);N_GUARD,XB(A)::R1(C)
- R(a);N_GUARD::R1(C),XR(a)
- R(d);S_CUTB(i)::S(D)
- B(i);S_CUTR(a)::R1(C)
- B(i);CHECK,N_GUARD::S(D),XB(i)
- B(i);N_GUARD::S(D)
- S(e);N_GUARD::QAB1(H)
- S(e);N_GUARD::QAB1(H),XS(e)
- S(e);N_GUARD,XS(D)::QAB1(H)
- S(j);SBLOCK::S(E)
- S(j);SBLOCK::S(D)
- S(j);N_GUARD::R(C),XP(f)
- Tries
- Try
- R(C);
- Threat
- S(E)
- Vars
- B(i);CHECK,N_GUARD::S(D),XB(i)
- R(a);N_GUARD::R1(C)
- B(i);S_CUTR(a)::R1(C)
- P(f);::S(E),XP(f)
- Refutation
- S(j);
- Try
- R(C);
- Threat
- DUALS(2)
- Vars
- B(i);CHECK,N_GUARD::S(D),XB(i)
- S(e);XR(C)::S(E)
- Refutation
- S(j);
- Try
- R(C);
- Threat
- DUALS(2)
- Vars
- B(i);XR(C)::S(E)
- P(c);::S(E)
- R(a);::S(E)
- R(d);::S(E)
- Refutation
- R(d);XR(C)
- Try
- R(C);
- Threat
- S(E)
- Vars
- B(i);CHECK,N_GUARD::S(D),XB(i)
- R(a);N_GUARD::R1(C)
- R(a);N_GUARD::R1(C),XR(a)
- B(i);S_CUTR(a)::R1(C)
- P(f);::S(E),XP(f)
- Refutation
- R(d);
- Try
- R(C);
- Threat
- S(E)
- Vars
- B(i);CHECK,N_GUARD::S(D),XB(i)
- R(a);N_GUARD::R1(C)
- R(a);N_GUARD::R1(C),XR(a)
- B(i);S_CUTR(a)::R1(C)
- P(f);::S(E),XP(f)
- Refutation
- R(d);
- Try
- R(G);
- Threat
- S(E)
- Vars
- B(i);CHECK,N_GUARD::S(D),XB(i)
- Refutation
- B(b);
- Try
- R(G);CHECK
- Vars
- S(j);SBLOCK,XR(G)::S(E)
- Refutation
- P(h);XR(G)
- Try
- Actual
- R(C);
- Threat
- S(E)
- Vars
- B(i);CHECK,N_GUARD::S(D),XB(i)
- S(e);N_GUARD,XS(D)::QAB1(H)
- R(a);N_GUARD::R1(C)
- R(a);N_GUARD::R1(C),XR(a)
- R(d);S_CUTB(i)::S(D)
- B(i);S_CUTR(a)::R1(C)
- S(j);SBLOCK::S(E)
- S(j);SBLOCK::S(D)
- P(f);::S(E),XP(f)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
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