MESON Chess Problem Database
Problem Display
PID: 38977 (1Brn3q/8/5p2/R5Pp/Q1N3kn/4pNrp/5R1P/2KB4 w - - 0 1)
Novejarque Iranzo, Francisco
5th Comm., BCF 019. Ty., 1935-1936
#2
10 + 10
SOLUTION
- SOUND
- Sets
- 1...Rxc4+
- 2.Qxc4#
- 1...Rxb8
- 2.Sxe3#
- 2.Sb6#
- 1...Sc6
- 2.Sxe3#
- 1...fxg5
- 2.Se5#
- 2.Rxg5#
- 1...Rxc4+
- Tries
- 1.Kb1?
- threat
- 2.Sxe3#
- 1...Rxb8+
- 2.Sb6#
- 1...Rxc4
- 2.Qxc4#
- 1...exf2
- 2.Se3#
- 1...e2
- 2.Se3#
- 1...Qh7+!
- threat
- 1.Sxh4+?
- 1...Kxh4
- 2.Bxg3#
- 2.hxg3#
- 1...e2
- 2.Rf4#
- 1...Rf3!
- 1...Kxh4
- 1.Bc2?
- threat
- 2.Sxe3#
- 2.Sce5#
- 1...Rxf3
- 2.Sxe3#
- 1...Rxc4
- 2.Qxc4#
- 1...Sxf3
- 2.Sxe3#
- 1...exf2
- 2.Sce5#
- 1...e2
- 2.Se3#
- 2.Sce5#
- 1...Rg1+!
- threat
- 1.Bc7?
- threat
- 2.Sb2#
- 2.Scd2#
- 2.Sa3#
- 2.Sxe3#
- 2.Sb6#
- 2.Sd6#
- 1...exf2
- 2.Sb2#
- 2.Scd2#
- 2.Sa3#
- 2.Se3#
- 2.Sb6#
- 2.Sd6#
- 1...fxg5
- 2.Sfe5#
- 2.Sxe3#
- 2.Rxg5#
- 1...Qh7
- 2.Sxe3#
- 1...Qe8
- 2.Sxe3#
- 1...Qf8
- 2.Sxe3#
- 2.Sd6#
- 1...Qg8
- 2.Sxe3#
- 1...Rb8
- 2.Sxe3#
- 2.Sb6#
- 1...Sg2
- 2.Sxe3#
- 1...Sf5
- 2.Sxe3#
- 2.Sce5#
- 1...Sg6
- 2.Sxe3#
- 1...Sc6
- 2.Sxe3#
- 1...Se6
- 2.Sxe3#
- 1...e2
- 2.Sb2#
- 2.Scd2#
- 2.Sa3#
- 2.Se3#
- 2.Sb6#
- 2.Sd6#
- 1...f5
- 2.Sxe3#
- 2.Sce5#
- 1...Rxc7!
- threat
- 1.Rc2?
- threat
- 2.Sxe3#
- 1...Rxc4
- 2.Rxc4#
- 2.Qxc4#
- 1...e2!
- threat
- 1.Rc5?
- threat
- 2.Sb2#
- 2.Scd2#
- 2.Sa3#
- 2.Sxe3#
- 2.Sa5#
- 2.Sb6#
- 2.Sd6#
- 1...Rxb8
- 2.Sxe3#
- 2.Sb6#
- 1...exf2
- 2.Sb2#
- 2.Scd2#
- 2.Sa3#
- 2.Se3#
- 2.Sa5#
- 2.Sb6#
- 2.Sd6#
- 1...fxg5
- 2.Sfe5#
- 2.Sxe3#
- 2.Rxg5#
- 1...Qh7
- 2.Sxe3#
- 1...Qe8
- 2.Sxe3#
- 1...Qg8
- 2.Sxe3#
- 1...Sg2
- 2.Sxe3#
- 1...Sf5
- 2.Sxe3#
- 2.Sce5#
- 1...Sg6
- 2.Sxe3#
- 1...Sc6
- 2.Sxe3#
- 1...Se6
- 2.Sxe3#
- 1...e2
- 2.Sb2#
- 2.Scd2#
- 2.Sa3#
- 2.Se3#
- 2.Sa5#
- 2.Sb6#
- 2.Sd6#
- 1...f5
- 2.Sxe3#
- 2.Sce5#
- 1...Rxc5!
- threat
- 1.Qc2?
- threat
- 2.Sxe3#
- 2.Qe4#
- 1...Rxc4
- 2.Qxc4#
- 1...Rxb8
- 2.Qe4#
- 1...Sxf3
- 2.Qe4#
- 1...exf2
- 2.Se3#
- 2.Qe4#
- 1...Rc7
- 2.Qe4#
- 1...Qh7
- 2.Sxe3#
- 1...Sg2
- 2.Qf5#
- 1...Sf5
- 2.Qe4#
- 2.Qxf5#
- 1...Sg6
- 2.Sxe3#
- 2.Qf5#
- 1...Se6
- 2.Sxe3#
- 1...e2
- 2.Se3#
- 2.Qe4#
- 1...f5
- 2.Sxe3#
- 1...Qe8!
- threat
- 1.Kb1?
- Keys
- 1.Kb2!
- threat
- 2.Sxe3#
- 1...Rxb8+
- 2.Sb6#
- 1...fxg5+
- 2.Sfe5#
- 1...f5+
- 2.Sce5#
- 1...Rxc4
- 2.Qxc4#
- 1...exf2
- 2.Se3#
- 1...e2
- 2.Se3#
- threat
- 1.Kb2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 1
- Sets
- R(h);CHECK,OGATE,P_SPINR(h),XS(G)::QAR(F),XR(h)
- S(i);N_PINS(G)::QAR(F)+S(G),DCHECK,XP(a)
- Tries
- Try
- K(A);N_SPINS(G),P-FLIGHT
- Threat
- QAR(F)+S(G),DCHECK,XP(a)
- Vars
- R(h);CHECK,N_GUARD,XB(J)::QAR(F)+S(G)
- R(h);OGATE,P_SPINR(h),XS(G)::QAR(F),XR(h)
- P(a);XR(C)::QAR(F)+S(G),DCHECK
- P(a);::QAR(F)+S(G),DCHECK
- Refutation
- Q(j);CHECK
- Try
- S(E);CHECK,XS(e)
- Vars
- P(a);P_SPINP(a)::R1(C)
- Refutation
- R(b);P_SPINR(b)
- Try
- B(B);N_SPINS(G)
- Threat
- DUALS(2)
- Vars
- R(b);XS(E)::QAR(F)+S(G),DCHECK,XP(a)
- R(h);OGATE,P_PINB(B),P_SPINR(h),XS(G)::QAR(F),XR(h)
- S(e);XS(E)::QAR(F)+S(G),DCHECK,XP(a)
- P(a);XR(C)::QAR(F)+S(G),DCHECK
- Refutation
- R(b);CHECK
- Try
- B(J);N_SPINS(G)
- Threat
- DUALS(6)
- Vars
- Q(j);::QAR(F)+S(G),DCHECK,XP(a)
- S(e);::QAR(F)+S(G),DCHECK,XP(a)
- S(i);::QAR(F)+S(G),DCHECK,XP(a)
- Refutation
- R(h);P_PINS(G),XB(J)
- Try
- R(C);N_SPINS(G)
- Threat
- QAR(F)+S(G),DCHECK,XP(a)
- Refutation
- P(a);
- Try
- R(H);N_SPINS(G)
- Threat
- DUALS(7)
- Vars
- Q(j);::QAR(F)+S(G),DCHECK,XP(a)
- S(e);::QAR(F)+S(G),DCHECK,XP(a)
- S(i);::QAR(F)+S(G),DCHECK,XP(a)
- Refutation
- R(h);P_PINS(G),XR(H)
- Try
- Q(F);N_SPINS(G)
- Threat
- DUALS(2)
- Vars
- R(h);OGATE,P_PINQ(F),XS(G)::QAR(F),XR(h)
- R(h);XB(J)::QAR2(F)
- S(e);P_SPINS(e),XS(E)::QAR2(F)
- R(h);::QAR2(F)
- Q(j);::S(G),XP(a)
- S(e);N_GUARD::QAB1(F)
- S(i);::S(G),XP(a)
- P(g);::S(G),XP(a)
- Refutation
- Q(j);
- Try
- Actual
- K(A);N_SPINS(G),S_FLIGHT
- Threat
- QAR(F)+S(G),DCHECK,XP(a)
- Vars
- R(h);CHECK,N_GUARD,XB(J)::QAR(F)+S(G)
- P(g);CHECK,SBLOCK,XP(I)::B(B)+S(E),DCHECK
- P(g);CHECK,SBLOCK::QAR(F)+S(G),DCHECK
- R(h);OGATE,P_SPINR(h),XS(G)::QAR(F),XR(h)
- P(a);XR(C)::QAR(F)+S(G),DCHECK
- P(a);::QAR(F)+S(G),DCHECK
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).