MESON Chess Problem Database
Problem Display
PID: 203577 (B1b5/1r1p1Qp1/3P2P1/2BRp3/3pkp1p/5R1P/N7/6NK w - - 0 1)
Hertmann, Sandor
Magyar Sakkvilag, 1924
#2
11 + 9
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Rb1
- 2.Rxd4#
- 1...Rb2
- 2.Rxd4#
- 1...Rb3
- 2.Rxd4#
- 1...Rb4
- 2.Rxd4#
- 1...Rb5
- 2.Rxd4#
- 1...Rb6
- 2.Rxd4#
- 1...Ra7
- 2.Rxd4#
- 1...Rc7
- 2.Rxd4#
- 1...Rb8
- 2.Rxd4#
- 1...d3
- 2.Sc3#
- 1...Rb1
- Tries
- 1.Kg2?
- 1...Rb1
- 2.Rxd4#
- 1...Rb3
- 2.Rxd4#
- 1...Rb4
- 2.Rxd4#
- 1...Rb5
- 2.Rxd4#
- 1...Rb6
- 2.Rxd4#
- 1...Ra7
- 2.Rxd4#
- 1...Rc7
- 2.Rxd4#
- 1...Rb8
- 2.Rxd4#
- 1...d3
- 2.Sc3#
- 1...Rb2+!
- 1...Rb1
- 1.Kh2?
- 1...Rb1
- 2.Rxd4#
- 1...Rb3
- 2.Rxd4#
- 1...Rb4
- 2.Rxd4#
- 1...Rb5
- 2.Rxd4#
- 1...Rb6
- 2.Rxd4#
- 1...Ra7
- 2.Rxd4#
- 1...Rc7
- 2.Rxd4#
- 1...Rb8
- 2.Rxd4#
- 1...d3
- 2.Sc3#
- 1...Rb2+!
- 1...Rb1
- 1.Sc1?
- 1...Rb1
- 2.Rxd4#
- 1...Rb2
- 2.Rxd4#
- 1...Rb3
- 2.Rxd4#
- 1...Rb4
- 2.Rxd4#
- 1...Rb5
- 2.Rxd4#
- 1...Rb6
- 2.Rxd4#
- 1...Ra7
- 2.Rxd4#
- 1...Rc7
- 2.Rxd4#
- 1...Rb8
- 2.Rxd4#
- 1...d3!
- 1...Rb1
- 1.Sb4?
- 1...Rxb4
- 2.Rxd4#
- 1...Rb5
- 2.Rxd4#
- 1...Rb6
- 2.Rxd4#
- 1...Ra7
- 2.Rxd4#
- 1...Rc7
- 2.Rxd4#
- 1...Rb8
- 2.Rxd4#
- 1...d3!
- 1...Rxb4
- 1.Bb6?
- 1...d3
- 2.Sc3#
- 1...Ra7
- 2.Rxd4#
- 1...Rc7
- 2.Rxd4#
- 1...Rb8
- 2.Rxd4#
- 1...Rxb6!
- 1...d3
- 1.Bxb7?
- threat
- 2.Rxd4#
- 1...d3
- 2.Sc3#
- 2.Rd4#
- 1...Bxb7!
- threat
- 1.Ra3?
- 1...d3
- 2.Sc3#
- 1...Rb1
- 2.Rxd4#
- 1...Rb2
- 2.Rxd4#
- 1...Rb4
- 2.Rxd4#
- 1...Rb5
- 2.Rxd4#
- 1...Rb6
- 2.Rxd4#
- 1...Ra7
- 2.Rxd4#
- 1...Rc7
- 2.Rxd4#
- 1...Rb8
- 2.Rxd4#
- 1...f3
- 2.Qxf3#
- 1...Rb3!
- 1...d3
- 1.Rb3?
- 1...d3
- 2.Sc3#
- 1...Rb4
- 2.Rxd4#
- 1...Rb5
- 2.Rxd4#
- 1...Rb6
- 2.Rxd4#
- 1...Ra7
- 2.Rxd4#
- 1...Rc7
- 2.Rxd4#
- 1...Rb8
- 2.Rxd4#
- 1...f3
- 2.Qxf3#
- 1...Rxb3!
- 1...d3
- 1.Rd3?
- 1...Rb1
- 2.R5xd4#
- 1...Rb2
- 2.R5xd4#
- 1...Rb3
- 2.R5xd4#
- 1...Rb4
- 2.R5xd4#
- 1...Rb5
- 2.R5xd4#
- 1...Rb6
- 2.R5xd4#
- 1...Ra7
- 2.R5xd4#
- 1...Rc7
- 2.R5xd4#
- 1...Rb8
- 2.R5xd4#
- 1...f3
- 2.Qxf3#
- 1...Kxd3!
- 1...Rb1
- 1.Rg3?
- 1...fxg3
- 2.Qf3#
- 1...f3
- 2.Qxf3#
- 1...d3
- 2.Sc3#
- 1...Rb1
- 2.Rxd4#
- 1...Rb2
- 2.Rxd4#
- 1...Rb3
- 2.Rxd4#
- 1...Rb4
- 2.Rxd4#
- 1...Rb5
- 2.Rxd4#
- 1...Rb6
- 2.Rxd4#
- 1...Ra7
- 2.Rxd4#
- 1...Rc7
- 2.Rxd4#
- 1...Rb8
- 2.Rxd4#
- 1...hxg3!
- 1...fxg3
- 1.Qe6?
- threat
- 2.Rxd4#
- 2.Rxe5#
- 2.Qxe5#
- 1...d3
- 2.Sc3#
- 2.Rd4#
- 2.Rxe5#
- 2.Qxe5#
- 1...dxe6!
- threat
- 1.Qxg7?
- threat
- 2.Rxe5#
- 2.Qxe5#
- 1...Kf5
- 2.Rxe5#
- 1...Kxd5!
- threat
- 1.Qf8?
- 1...d3
- 2.Sc3#
- 1...Rb1
- 2.Rxd4#
- 1...Rb2
- 2.Rxd4#
- 1...Rb3
- 2.Rxd4#
- 1...Rb4
- 2.Rxd4#
- 1...Rb5
- 2.Rxd4#
- 1...Rb6
- 2.Rxd4#
- 1...Ra7
- 2.Rxd4#
- 1...Rc7
- 2.Rxd4#
- 1...Rb8
- 2.Rxd4#
- 1...Kxd5!
- 1...d3
- 1.Kg2?
- Keys
- 1.Rc3!
- 1...dxc3
- 2.Sxc3#
- 1...d3
- 2.Rc4#
- 1...Rb1
- 2.Rxd4#
- 1...Rb2
- 2.Rxd4#
- 1...Rb3
- 2.Rxd4#
- 1...Rb4
- 2.Rxd4#
- 1...Rb5
- 2.Rxd4#
- 1...Rb6
- 2.Rxd4#
- 1...Ra7
- 2.Rxd4#
- 1...Rc7
- 2.Rxd4#
- 1...Rb8
- 2.Rxd4#
- 1...f3
- 2.Qxf3#
- 1...dxc3
- 1.Rc3!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 1
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- R(f);P_PINS(A)::B(K)+R(G),DCHECK,XP(a)
- R(f);::B(K)+R(G),DCHECK,XP(a)
- P(a);N_GUARD::S(C)
- Tries
- Try
- K(B);S_FLIGHT
- Vars
- R(f);::B(K)+R(G),DCHECK,XP(a)
- P(a);N_GUARD::S(C)
- Refutation
- R(f);CHECK
- Try
- K(B);P-FLIGHT
- Vars
- R(f);::B(K)+R(G),DCHECK,XP(a)
- P(a);N_GUARD::S(C)
- Refutation
- R(f);CHECK
- Try
- S(C);
- Vars
- R(f);::B(K)+R(G),DCHECK,XP(a)
- Refutation
- P(a);
- Try
- S(C);
- Vars
- R(f);XS(C)::B(K)+R(G),DCHECK,XP(a)
- R(f);::B(K)+R(G),DCHECK,XP(a)
- Refutation
- P(a);
- Try
- B(F);
- Vars
- P(a);N_GUARD::S(C)
- R(f);::B(K)+R(G),DCHECK,XP(a)
- Refutation
- R(f);XB(F)
- Try
- B(K);XR(f)
- Threat
- B(K)+R(G),DCHECK,XP(a)
- Refutation
- B(i);XB(K)
- Try
- R(D);
- Vars
- P(a);N_GUARD::S(C)
- R(f);P_PINS(A)::B(K)+R(G),DCHECK,XP(a)
- R(f);::B(K)+R(G),DCHECK,XP(a)
- P(c);OGATE::QAB1(J),XP(c)
- Refutation
- R(f);
- Try
- R(D);
- Vars
- P(a);N_GUARD::S(C)
- R(f);::B(K)+R(G),DCHECK,XP(a)
- P(c);OGATE::QAB1(J),XP(c)
- Refutation
- R(f);XR(D)
- Try
- R(D);
- Vars
- R(f);P_PINS(A)::B(K)+R(G),DCHECK,XP(a)
- R(f);::B(K)+R(G),DCHECK,XP(a)
- P(c);OGATE::QAB1(J),XP(c)
- Refutation
- K(b);P_SPINP(a),S_FLIGHT,XR(D)
- Try
- R(D);
- Vars
- P(c);OGATE,XR(D)::QAB1(J)
- P(c);OGATE::QAB1(J),XP(c)
- P(a);N_GUARD::S(C)
- R(f);P_PINS(A)::B(K)+R(G),DCHECK,XP(a)
- R(f);::B(K)+R(G),DCHECK,XP(a)
- Refutation
- P(d);XR(D)
- Try
- Q(J);P_PINP(e)
- Threat
- DUALS(3)
- Refutation
- P(g);N_SPINP(e),XQ(J)
- Try
- Q(J);XP(h)
- Threat
- DUALS(2)
- Vars
- K(b);P_SPINP(c),S_FLIGHT::R1(G),XP(e)
- Refutation
- K(b);P_SPINR(f),S_FLIGHT,XR(G)
- Try
- Q(J);
- Vars
- P(a);N_GUARD::S(C)
- R(f);P_PINS(A)::B(K)+R(G),DCHECK,XP(a)
- R(f);::B(K)+R(G),DCHECK,XP(a)
- Refutation
- K(b);P_SPINR(f),S_FLIGHT,XR(G)
- Try
- Actual
- R(D);
- Vars
- P(a);XR(D)::S(C),XP(a)
- P(a);OGATEB::R(D)
- R(f);P_PINS(A)::B(K)+R(G),DCHECK,XP(a)
- R(f);::B(K)+R(G),DCHECK,XP(a)
- P(c);OGATE::QAB1(J),XP(c)
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).