MESON Chess Problem Database
Problem Display
PID: 198253 (3BNnN1/R3p3/1Pk1p1n1/1p6/bp1PP3/pQ6/K1P5/2R5 w - - 0 1)
Novejarque Iranzo, Angel
Rivista del Club Argentino de Ajedrez, 1920
#2
11 + 9
| 6490 | yacpdb | 2019 |
SOLUTION
- SOUND
- Sets
- 1...Bxb3+
- 2.cxb3#
- 1...Sf4
- 2.Sxe7#
- 1...Sh4
- 2.Sxe7#
- 1...Se5
- 2.Sxe7#
- 1...Sh8
- 2.Sxe7#
- 1...Sd7
- 2.Qxe6#
- 1...Sh7
- 2.Qxe6#
- 1...e5
- 2.Qd5#
- 1...Bxb3+
- Tries
- 1.Ka1?
- 1...Bxb3
- 2.cxb3#
- 1...Sf4
- 2.Sxe7#
- 1...Sh4
- 2.Sxe7#
- 1...Se5
- 2.Sxe7#
- 1...Sh8
- 2.Sxe7#
- 1...Sd7
- 2.Qxe6#
- 1...Sh7
- 2.Qxe6#
- 1...e5
- 2.Qd5#
- 1...a2!
- 1...Bxb3
- 1.Kb1?
- 1...Bxb3
- 2.cxb3#
- 1...Sf4
- 2.Sxe7#
- 1...Sh4
- 2.Sxe7#
- 1...Se5
- 2.Sxe7#
- 1...Sh8
- 2.Sxe7#
- 1...Sd7
- 2.Qxe6#
- 1...Sh7
- 2.Qxe6#
- 1...e5
- 2.Qd5#
- 1...a2+!
- 1...Bxb3
- 1.Ra1?
- 1...Sf4
- 2.Sxe7#
- 1...Sh4
- 2.Sxe7#
- 1...Se5
- 2.Sxe7#
- 1...Sh8
- 2.Sxe7#
- 1...Sd7
- 2.Qxe6#
- 1...Sh7
- 2.Qxe6#
- 1...e5
- 2.Qd5#
- 1...Bxb3+!
- 1...Sf4
- 1.Rb1?
- 1...Sf4
- 2.Sxe7#
- 1...Sh4
- 2.Sxe7#
- 1...Se5
- 2.Sxe7#
- 1...Sh8
- 2.Sxe7#
- 1...Sd7
- 2.Qxe6#
- 1...Sh7
- 2.Qxe6#
- 1...e5
- 2.Qd5#
- 1...Bxb3+!
- 1...Sf4
- 1.Rd1?
- 1...Sf4
- 2.Sxe7#
- 1...Sh4
- 2.Sxe7#
- 1...Se5
- 2.Sxe7#
- 1...Sh8
- 2.Sxe7#
- 1...Sd7
- 2.Qxe6#
- 1...Sh7
- 2.Qxe6#
- 1...e5
- 2.Qd5#
- 1...Bxb3+!
- 1...Sf4
- 1.Re1?
- 1...Sf4
- 2.Sxe7#
- 1...Sh4
- 2.Sxe7#
- 1...Se5
- 2.Sxe7#
- 1...Sh8
- 2.Sxe7#
- 1...Sd7
- 2.Qxe6#
- 1...Sh7
- 2.Qxe6#
- 1...e5
- 2.Qd5#
- 1...Bxb3+!
- 1...Sf4
- 1.Rf1?
- 1...Sf4
- 2.Sxe7#
- 1...Sh4
- 2.Sxe7#
- 1...Se5
- 2.Sxe7#
- 1...Sh8
- 2.Sxe7#
- 1...Sd7
- 2.Qxe6#
- 1...Sh7
- 2.Qxe6#
- 1...e5
- 2.Qd5#
- 1...Bxb3+!
- 1...Sf4
- 1.Rg1?
- 1...Sf4
- 2.Sxe7#
- 1...Sh4
- 2.Sxe7#
- 1...Se5
- 2.Sxe7#
- 1...Sh8
- 2.Sxe7#
- 1...Sd7
- 2.Qxe6#
- 1...Sh7
- 2.Qxe6#
- 1...e5
- 2.Qd5#
- 1...Bxb3+!
- 1...Sf4
- 1.Rh1?
- 1...Sf4
- 2.Sxe7#
- 1...Sh4
- 2.Sxe7#
- 1...Se5
- 2.Sxe7#
- 1...Sh8
- 2.Sxe7#
- 1...Sd7
- 2.Qxe6#
- 1...Sh7
- 2.Qxe6#
- 1...e5
- 2.Qd5#
- 1...Bxb3+!
- 1...Sf4
- 1.Qf3?
- threat
- 2.e5#
- 1...Bb3+
- 2.cxb3#
- 1...b3+
- 2.cxb3#
- 1...Sf4
- 2.Sxe7#
- 1...Sh4
- 2.Sxe7#
- 1...Se5
- 2.Sxe7#
- 1...e5!
- threat
- 1.Qg3?
- threat
- 2.Qc7#
- 1...Bb3+
- 2.cxb3#
- 1...b3+
- 2.cxb3#
- 1...Sf4
- 2.Sxe7#
- 1...Se5
- 2.Sxe7#
- 1...e5!
- threat
- 1.Qxb4?
- threat
- 2.Qc3#
- 2.Qc5#
- 1...Bb3+
- 2.cxb3#
- 1...Se5
- 2.Sxe7#
- 2.Qc5#
- 1...Sd7!
- threat
- 1.c3?
- threat
- 2.cxb4#
- 1...bxc3
- 2.Rxc3#
- 2.Qxc3#
- 1...Sd7
- 2.Qxe6#
- 1...Se5
- 2.Sxe7#
- 1...Bxb3+!
- threat
- 1.d5+?
- 1...exd5
- 2.Qxd5#
- 1...Kc5!
- 1...exd5
- 1.e5?
- threat
- 2.Qf3#
- 1...Sxe5
- 2.Sxe7#
- 1...Sf4
- 2.Sxe7#
- 1...Sh4
- 2.Sxe7#
- 1...Bxb3+!
- threat
- 1.Ka1?
- Keys
- 1.Qh3!
- 1...Bb3+
- 2.cxb3#
- 1...b3+
- 2.cxb3#
- 1...Bxc2
- 2.Rxc2#
- 1...Sd7
- 2.Qxe6#
- 1...Sf4
- 2.Sxe7#
- 1...Sh4
- 2.Sxe7#
- 1...Se5
- 2.Sxe7#
- 1...Sh8
- 2.Sxe7#
- 1...Sh7
- 2.Qxe6#
- 1...e5
- 2.Qc8#
- 1...Bb3+
- 1.Qh3!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 1
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- B(b);CHECK,OGATE,XQ(D)::R(A)+P(C),XB(b)
- S(g);N_GUARD::S(K),XP(h)
- S(i);N_GUARD::QAR2(D),XP(f)
- P(f);N_GUARD::QAB1(D)
- Tries
- Try
- K(B);P-FLIGHT
- Vars
- B(b);OGATE,XQ(D)::R(A)+P(C),XB(b)
- S(g);N_GUARD::S(K),XP(h)
- S(i);N_GUARD::QAR2(D),XP(f)
- P(f);N_GUARD::QAB1(D)
- Refutation
- P(a);
- Try
- K(B);S_FLIGHT
- Vars
- B(b);OGATE,XQ(D)::R(A)+P(C),XB(b)
- S(g);N_GUARD::S(K),XP(h)
- S(i);N_GUARD::QAR2(D),XP(f)
- P(f);N_GUARD::QAB1(D)
- Refutation
- P(a);CHECK
- Try
- R(A);
- Vars
- S(g);N_GUARD::S(K),XP(h)
- S(i);N_GUARD::QAR2(D),XP(f)
- P(f);N_GUARD::QAB1(D)
- Refutation
- B(b);CHECK,XQ(D)
- Try
- R(A);
- Vars
- S(g);N_GUARD::S(K),XP(h)
- S(i);N_GUARD::QAR2(D),XP(f)
- P(f);N_GUARD::QAB1(D)
- Refutation
- B(b);CHECK,XQ(D)
- Try
- R(A);
- Vars
- S(g);N_GUARD::S(K),XP(h)
- S(i);N_GUARD::QAR2(D),XP(f)
- P(f);N_GUARD::QAB1(D)
- Refutation
- B(b);CHECK,XQ(D)
- Try
- R(A);
- Vars
- S(g);N_GUARD::S(K),XP(h)
- S(i);N_GUARD::QAR2(D),XP(f)
- P(f);N_GUARD::QAB1(D)
- Refutation
- B(b);CHECK,XQ(D)
- Try
- R(A);
- Vars
- S(g);N_GUARD::S(K),XP(h)
- S(i);N_GUARD::QAR2(D),XP(f)
- P(f);N_GUARD::QAB1(D)
- Refutation
- B(b);CHECK,XQ(D)
- Try
- R(A);
- Vars
- S(g);N_GUARD::S(K),XP(h)
- S(i);N_GUARD::QAR2(D),XP(f)
- P(f);N_GUARD::QAB1(D)
- Refutation
- B(b);CHECK,XQ(D)
- Try
- R(A);
- Vars
- S(g);N_GUARD::S(K),XP(h)
- S(i);N_GUARD::QAR2(D),XP(f)
- P(f);N_GUARD::QAB1(D)
- Refutation
- B(b);CHECK,XQ(D)
- Try
- Q(D);
- Threat
- QAB(D)+P(F)
- Vars
- B(b);CHECK,OGATE::R(A)+P(C),XB(b)
- P(c);CHECK,OGATE::R(A)+P(C),XP(c)
- S(g);N_GUARD::S(K),XP(h)
- Refutation
- P(f);
- Try
- Q(D);
- Threat
- QAR1(D)
- Vars
- B(b);CHECK,OGATE::R(A)+P(C),XB(b)
- P(c);CHECK,OGATE::R(A)+P(C),XP(c)
- S(g);N_GUARD::S(K),XP(h)
- Refutation
- P(f);
- Try
- Q(D);XP(c)
- Threat
- DUALS(2)
- Vars
- B(b);CHECK,OGATE::R(A)+P(C),XB(b)
- Refutation
- S(i);
- Try
- P(C);
- Threat
- R(A)+P(C),XP(c)
- Vars
- S(i);N_GUARD::QAR2(D),XP(f)
- S(g);N_GUARD::S(K),XP(h)
- Refutation
- B(b);CHECK,XQ(D)
- Try
- P(E);CHECK
- Vars
- P(f);OGATE,XP(E)::QAB1(D),XP(f)
- Refutation
- K(e);P-FLIGHT
- Try
- P(F);
- Threat
- QAB(D)
- Vars
- S(g);N_GUARD,XP(F)::S(K),XP(h)
- S(g);N_GUARD::S(K),XP(h)
- Refutation
- B(b);CHECK,XQ(D)
- Try
- Actual
- Q(D);
- Vars
- B(b);CHECK,OGATE::R(A)+P(C),XB(b)
- P(c);CHECK,OGATE::R(A)+P(C),XP(c)
- B(b);OGATE,P_SPINB(b),XP(C)::R(A),XB(b)
- S(i);N_GUARD::QAR2(D),XP(f)
- S(g);N_GUARD::S(K),XP(h)
- P(f);OGATE::QAR2(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).