MESON Chess Problem Database
Problem Display
PID: 202631 (8/1n6/R2p2p1/5pP1/1r1k2NK/2RP1Q2/3P4/4B1b1 w - - 0 1)
Papp, Jeno
Simay-Molnar, Aladar
Uj Nemezdek, 1923
#2
9 + 7
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Rb1
- 2.Rc4#
- 1...Rb2
- 2.Rc4#
- 1...Rb3
- 2.Rc4#
- 1...Ra4
- 2.Rxa4#
- 1...Rc4
- 2.Rxc4#
- 1...Rb5
- 2.Rc4#
- 1...Rb6
- 2.Rc4#
- 1...Bf2+
- 2.Bxf2#
- 1...Bh2
- 2.Bf2#
- 1...Be3
- 2.dxe3#
- 1...Sa5
- 2.Rxd6#
- 1...Sc5
- 2.Rxd6#
- 1...Sd8
- 2.Rxd6#
- 1...fxg4
- 2.Qe4#
- 1...f4
- 2.Qe4#
- 1...d5
- 2.Qf4#
- 1...Rb1
- Tries
- 1.Kh3?
- 1...Rc4
- 2.Rxc4#
- 1...Rb1
- 2.Rc4#
- 1...Rb2
- 2.Rc4#
- 1...Rb3
- 2.Rc4#
- 1...Ra4
- 2.Rxa4#
- 1...Rb5
- 2.Rc4#
- 1...Rb6
- 2.Rc4#
- 1...Bf2
- 2.Bxf2#
- 1...Bh2
- 2.Bf2#
- 1...Be3
- 2.dxe3#
- 1...Sa5
- 2.Rxd6#
- 1...Sc5
- 2.Rxd6#
- 1...Sd8
- 2.Rxd6#
- 1...f4
- 2.Qe4#
- 1...d5
- 2.Qf4#
- 1...fxg4+!
- 1...Rc4
- 1.Bg3?
- 1...fxg4
- 2.Qe4#
- 1...Rc4
- 2.Rxc4#
- 1...Rb1
- 2.Rc4#
- 1...Rb2
- 2.Rc4#
- 1...Rb3
- 2.Rc4#
- 1...Ra4
- 2.Rxa4#
- 1...Rb5
- 2.Rc4#
- 1...Rb6
- 2.Rc4#
- 1...Bf2
- 2.Bxf2#
- 1...Bh2
- 2.Bf2#
- 1...Sa5
- 2.Rxd6#
- 1...Sc5
- 2.Rxd6#
- 1...Sd8
- 2.Rxd6#
- 1...f4
- 2.Qe4#
- 1...d5
- 2.Be5#
- 2.Qf4#
- 1...Be3!
- 1...fxg4
- 1.Rb6?
- threat
- 2.Rxb4#
- 1...Bf2+
- 2.Bxf2#
- 1...Rxb6
- 2.Rc4#
- 1...fxg4
- 2.Qe4#
- 1...Rc4
- 2.Rxc4#
- 1...Rb1
- 2.Rc4#
- 1...Rb2
- 2.Rc4#
- 1...Rb3
- 2.Rc4#
- 1...Rb5
- 2.Rc4#
- 1...Sa5
- 2.Rxd6#
- 1...Ra4!
- threat
- 1.Rac6?
- 1...Bf2+
- 2.Bxf2#
- 1...fxg4
- 2.Qe4#
- 1...d5
- 2.Qf4#
- 1...Rb1
- 2.R3c4#
- 2.R6c4#
- 1...Rb2
- 2.R3c4#
- 2.R6c4#
- 1...Rb3
- 2.R3c4#
- 2.R6c4#
- 1...Rc4
- 2.R3xc4#
- 2.R6xc4#
- 1...Rb5
- 2.R3c4#
- 2.R6c4#
- 1...Rb6
- 2.R3c4#
- 2.R6c4#
- 1...Bh2
- 2.Bf2#
- 1...Be3
- 2.dxe3#
- 1...Sa5
- 2.Rxd6#
- 1...Sc5
- 2.Rxd6#
- 1...Sd8
- 2.Rxd6#
- 1...f4
- 2.Qe4#
- 1...Ra4!
- 1...Bf2+
- 1.Qxf5?
- threat
- 2.Qe4#
- 1...Bf2+
- 2.Bxf2#
- 1...Rc4
- 2.Rxc4#
- 1...Sc5
- 2.Rxd6#
- 1...d5
- 2.Qf4#
- 2.Qe5#
- 2.Qf6#
- 1...gxf5!
- threat
- 1.Kh3?
- Keys
- 1.Qc6!
- 1...Bf2+
- 2.Bxf2#
- 1...fxg4
- 2.Qe4#
- 1...Sa5
- 2.Qxd6#
- 1...Rb1
- 2.Qc4#
- 1...Rb2
- 2.Qc4#
- 1...Rb3
- 2.Qc4#
- 1...Ra4
- 2.Rxa4#
- 1...Rc4
- 2.Qxc4#
- 1...Rb5
- 2.Qc4#
- 1...Rb6
- 2.Qc4#
- 1...Bh2
- 2.Bf2#
- 1...Be3
- 2.dxe3#
- 1...Sc5
- 2.Qxd6#
- 1...Sd8
- 2.Qxd6#
- 1...f4
- 2.Qe4#
- 1...d5
- 2.Qf6#
- 1...Bf2+
- 1.Qc6!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 10
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- R(b);N_GUARD::R1(C)
- R(b);OGATEB::R(I),XR(b)
- R(b);N_GUARD::R1(C),XR(b)
- B(a);CHECK,N_GUARD::B(A),XB(a)
- B(a);N_GUARD::B(A)
- B(a);OGATE::P(B),XB(a)
- S(g);N_GUARD::R(I),XP(e)
- P(d);N_GUARD,XS(F)::QAR1(E)
- P(d);N_GUARD::QAR1(E)
- P(e);SBLOCK::QAR2(E)
- Tries
- Try
- K(G);P-FLIGHT
- Vars
- R(b);N_GUARD::R1(C),XR(b)
- R(b);N_GUARD::R1(C)
- R(b);OGATEB::R(I),XR(b)
- B(a);N_GUARD::B(A),XB(a)
- B(a);N_GUARD::B(A)
- B(a);OGATE::P(B),XB(a)
- S(g);N_GUARD::R(I),XP(e)
- P(d);N_GUARD::QAR1(E)
- P(e);SBLOCK::QAR2(E)
- Refutation
- P(d);CHECK,XS(F)
- Try
- B(A);
- Vars
- P(d);N_GUARD,XS(F)::QAR1(E)
- R(b);N_GUARD::R1(C),XR(b)
- R(b);N_GUARD::R1(C)
- R(b);OGATEB::R(I),XR(b)
- B(a);N_GUARD,P_PINB(A)::B(A),XB(a)
- B(a);N_GUARD::B(A)
- S(g);N_GUARD::R(I),XP(e)
- P(d);N_GUARD::QAR1(E)
- Refutation
- B(a);
- Try
- R(I);
- Threat
- R(I),XR(b)
- Vars
- B(a);CHECK,N_GUARD::B(A),XB(a)
- R(b);N_GUARD,XR(I)::R1(C)
- P(d);N_GUARD,XS(F)::QAR1(E)
- R(b);N_GUARD::R1(C),XR(b)
- R(b);N_GUARD::R1(C)
- S(g);N_GUARD::R(I),XP(e)
- Refutation
- R(b);
- Try
- R(I);
- Vars
- B(a);CHECK,N_GUARD::B(A),XB(a)
- P(d);N_GUARD,XS(F)::QAR1(E)
- P(e);SBLOCK::QAR2(E)
- B(a);N_GUARD::B(A)
- B(a);OGATE::P(B),XB(a)
- S(g);N_GUARD::R(I),XP(e)
- P(d);N_GUARD::QAR1(E)
- Refutation
- R(b);
- Try
- Q(E);XP(d)
- Threat
- QAR1(E)
- Vars
- B(a);CHECK,N_GUARD::B(A),XB(a)
- R(b);N_GUARD::R1(C),XR(b)
- S(g);N_GUARD::R(I),XP(e)
- Refutation
- P(f);XQ(E)
- Try
- Actual
- Q(E);
- Vars
- B(a);CHECK,N_GUARD::B(A),XB(a)
- P(d);N_GUARD,XS(F)::QAR1(E)
- S(g);N_GUARD::QAR2(E),XP(e)
- R(b);N_GUARD::QAR1(E)
- R(b);OGATEB::R(I),XR(b)
- R(b);N_GUARD::QAR1(E),XR(b)
- B(a);N_GUARD::B(A)
- B(a);OGATE::P(B),XB(a)
- P(d);N_GUARD::QAR1(E)
- P(e);OGATE,SBLOCK::QAB(E)
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).