MESON Chess Problem Database
Problem Display
PID: 201659 (8/1p6/1P5p/2B1p2P/4Bp2/1p3Pk1/1Q6/1K4bR w - - 0 1)
Kovacs, Nandor
Magyar Sakkvilag, 1922
#2
8 + 7
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Bf2
- 2.Qxf2#
- 1...Bh2
- 2.Qxh2#
- 1...Be3
- 2.Qh2#
- 1...Bd4
- 2.Qh2#
- 1...Bxc5
- 2.Qh2#
- 1...Bf2
- Tries
- 1.Ka1?
- 1...Bxc5
- 2.Qh2#
- 1...Bf2
- 2.Qxf2#
- 1...Bh2
- 2.Qxh2#
- 1...Be3
- 2.Qh2#
- 1...Bd4!
- 1...Bxc5
- 1.Kc1?
- 1...Bxc5
- 2.Qh2#
- 1...Bf2
- 2.Qxf2#
- 1...Bh2
- 2.Qxh2#
- 1...Bd4
- 2.Qh2#
- 1...Be3+!
- 1...Bxc5
- 1.Bd5?
- 1...Bxc5
- 2.Qh2#
- 1...Bf2
- 2.Qxf2#
- 1...Bh2
- 2.Qxh2#
- 1...Be3
- 2.Qh2#
- 1...Bd4
- 2.Qh2#
- 1...e4!
- 1...Bxc5
- 1.Bxb7?
- 1...Bxc5
- 2.Qh2#
- 1...Bf2
- 2.Qxf2#
- 1...Bh2
- 2.Qxh2#
- 1...Be3
- 2.Qh2#
- 1...Bd4
- 2.Qh2#
- 1...e4!
- 1...Bxc5
- 1.Ba3?
- 1...Bxb6
- 2.Qh2#
- 1...Bh2
- 2.Qxh2#
- 1...Be3
- 2.Qh2#
- 1...Bd4
- 2.Qh2#
- 1...Bc5
- 2.Qh2#
- 1...Bf2!
- 1...Bxb6
- 1.Be3?
- 1...Bxe3
- 2.Qh2#
- 1...Bf2
- 2.Qxf2#
- 1...Bh2
- 2.Qxh2#
- 1...fxe3!
- 1...Bxe3
- 1.Bb4?
- 1...Bxb6
- 2.Qh2#
- 1...Bh2
- 2.Qxh2#
- 1...Be3
- 2.Qh2#
- 1...Bd4
- 2.Qh2#
- 1...Bc5
- 2.Qh2#
- 1...Bf2!
- 1...Bxb6
- 1.Bd4?
- 1...Bxd4
- 2.Qh2#
- 1...Bf2
- 2.Qxf2#
- 1...Bh2
- 2.Qxh2#
- 1...Be3
- 2.Qh2#
- 1...exd4!
- 1...Bxd4
- 1.Bd6?
- 1...Bxb6
- 2.Qh2#
- 1...Bh2
- 2.Qxh2#
- 1...Be3
- 2.Qh2#
- 1...Bd4
- 2.Qh2#
- 1...Bc5
- 2.Qh2#
- 1...Bf2!
- 1...Bxb6
- 1.Be7?
- threat
- 2.Bh4#
- 1...Bh2
- 2.Qxh2#
- 1...Bf2!
- threat
- 1.Bf8?
- 1...Bxb6
- 2.Qh2#
- 1...Bh2
- 2.Qxh2#
- 1...Be3
- 2.Qh2#
- 1...Bd4
- 2.Qh2#
- 1...Bc5
- 2.Qh2#
- 1...Bf2!
- 1...Bxb6
- 1.Rxg1+?
- 1...Kh4
- 2.Qh2#
- 1...Kh3!
- 1...Kh4
- 1.Rh2?
- threat
- 2.Qg2#
- 1...Bf2
- 2.Qxf2#
- 1...Bxh2!
- threat
- 1.Rh4?
- 1...Bxc5
- 2.Qh2#
- 1...Bf2
- 2.Qxf2#
- 1...Bh2
- 2.Qf2#
- 2.Qxh2#
- 1...Be3
- 2.Qh2#
- 1...Bd4
- 2.Qh2#
- 1...Kxh4!
- 1...Bxc5
- 1.Qa2?
- 1...Bxc5
- 2.Qh2#
- 1...Bf2
- 2.Qxf2#
- 1...Bh2
- 2.Qxh2#
- 1...b2
- 2.Qg8#
- 1...Be3
- 2.Qh2#
- 1...Bd4
- 2.Qh2#
- 1...bxa2+!
- 1...Bxc5
- 1.Qd2?
- 1...Bxc5
- 2.Qh2#
- 1...Bf2
- 2.Qxf2#
- 1...Bh2
- 2.Qxh2#
- 1...Be3
- 2.Qh2#
- 1...Bd4
- 2.Qh2#
- 1...b2!
- 1...Bxc5
- 1.Qe2?
- 1...Bxc5
- 2.Qh2#
- 1...Bf2
- 2.Qxf2#
- 1...Bh2
- 2.Qxh2#
- 1...Be3
- 2.Qh2#
- 1...Bd4
- 2.Qh2#
- 1...b2!
- 1...Bxc5
- 1.Ka1?
- Keys
- 1.Bf5!
- threat
- 2.Rh3#
- 1...Kxf3
- 2.Rh3#
- 1...Bf2
- 2.Qxf2#
- 1...Bh2
- 2.Qf2#
- threat
- 1.Bf5!
FEATURES
- Static
- TYPE = BLOCK_THREAT
- CHANGED MATES = 1
- ADDED MATES = 1
- REMOVED MATES = 3
- Sets
- B(a);N_GUARD::QAB1(C),XB(a)
- B(a);N_GUARD::QAB1(C)
- B(a);N_GUARD,XB(F)::QAB1(C)
- Tries
- Try
- K(A);P-FLIGHT
- Vars
- B(a);N_GUARD,XB(F)::QAB1(C)
- B(a);N_GUARD::QAB1(C),XB(a)
- B(a);N_GUARD::QAB1(C)
- Refutation
- B(a);P_PINQ(C)
- Try
- K(A);P-FLIGHT
- Vars
- B(a);N_GUARD,XB(F)::QAB1(C)
- B(a);N_GUARD::QAB1(C),XB(a)
- B(a);N_GUARD::QAB1(C)
- Refutation
- B(a);CHECK
- Try
- B(E);
- Vars
- B(a);N_GUARD,XB(F)::QAB1(C)
- B(a);N_GUARD::QAB1(C),XB(a)
- B(a);N_GUARD::QAB1(C)
- Refutation
- P(e);
- Try
- B(E);XP(g)
- Vars
- B(a);N_GUARD,XB(F)::QAB1(C)
- B(a);N_GUARD::QAB1(C),XB(a)
- B(a);N_GUARD::QAB1(C)
- Refutation
- P(e);
- Try
- B(F);
- Vars
- B(a);N_GUARD,XP(H)::QAB1(C)
- B(a);N_GUARD::QAB1(C),XB(a)
- B(a);N_GUARD::QAB1(C)
- Refutation
- B(a);
- Try
- B(F);
- Vars
- B(a);N_GUARD,XB(F)::QAB1(C)
- B(a);N_GUARD::QAB1(C),XB(a)
- Refutation
- P(d);XB(F)
- Try
- B(F);
- Vars
- B(a);N_GUARD,XP(H)::QAB1(C)
- B(a);N_GUARD::QAB1(C),XB(a)
- B(a);N_GUARD::QAB1(C)
- Refutation
- B(a);
- Try
- B(F);
- Vars
- B(a);N_GUARD,XB(F)::QAB1(C)
- B(a);N_GUARD::QAB1(C),XB(a)
- B(a);N_GUARD::QAB1(C)
- Refutation
- P(e);XB(F)
- Try
- B(F);
- Vars
- B(a);N_GUARD,XP(H)::QAB1(C)
- B(a);N_GUARD::QAB1(C),XB(a)
- B(a);N_GUARD::QAB1(C)
- Refutation
- B(a);
- Try
- B(F);
- Threat
- B(F)
- Vars
- B(a);N_GUARD::QAB1(C),XB(a)
- Refutation
- B(a);
- Try
- B(F);
- Vars
- B(a);N_GUARD,XP(H)::QAB1(C)
- B(a);N_GUARD::QAB1(C),XB(a)
- B(a);N_GUARD::QAB1(C)
- Refutation
- B(a);
- Try
- R(B);CHECK,XB(a)
- Vars
- K(c);S_FLIGHT::QAR2(C)
- Refutation
- K(c);P-FLIGHT
- Try
- R(B);
- Threat
- QAR1(C)
- Vars
- B(a);N_GUARD::QAB1(C),XB(a)
- Refutation
- B(a);XR(B)
- Try
- R(B);
- Vars
- B(a);N_GUARD,XB(F)::QAB1(C)
- B(a);N_GUARD::QAB1(C),XB(a)
- B(a);N_GUARD::QAB1(C)
- Refutation
- K(c);S_FLIGHT,XR(B)
- Try
- Q(C);
- Vars
- B(a);N_GUARD,XB(F)::QAB1(C)
- B(a);N_GUARD::QAB1(C),XB(a)
- P(b);OGATE::QAR(C)
- B(a);N_GUARD::QAB1(C)
- Refutation
- P(b);CHECK,XQ(C)
- Try
- Q(C);
- Vars
- B(a);N_GUARD,XB(F)::QAB1(C)
- B(a);N_GUARD::QAB1(C),XB(a)
- B(a);N_GUARD::QAB1(C)
- Refutation
- P(b);
- Try
- Q(C);
- Vars
- B(a);N_GUARD,XB(F)::QAB1(C)
- B(a);N_GUARD::QAB1(C),XB(a)
- B(a);N_GUARD::QAB1(C)
- Refutation
- P(b);
- Try
- Actual
- B(E);
- Threat
- R1(B)
- Vars
- K(c);P-FLIGHT,XP(D)::R(B)
- B(a);N_GUARD::QAB1(C),XB(a)
- B(a);N_GUARD::QAB1(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).