MESON Chess Problem Database
Problem Display
PID: 231429 (8/8/8/B2b4/Q4K2/3kp3/2R5/8 w - - 0 1)
Regos, Imre
Magyar Sakkvilag, 1927
#2
4 + 3
| 6490 | yacpdb | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Bh1
- 2.Qc4#
- 1...Ba2
- 2.Qe4#
- 1...Bg2
- 2.Qc4#
- 1...Bb3
- 2.Qe4#
- 1...Bf3
- 2.Qc4#
- 1...Bc4
- 2.Qxc4#
- 1...Be4
- 2.Qc4#
- 2.Qxe4#
- 1...Bc6
- 2.Qc4#
- 1...Be6
- 2.Qe4#
- 1...Bb7
- 2.Qc4#
- 1...Bf7
- 2.Qe4#
- 1...Ba8
- 2.Qc4#
- 1...Bg8
- 2.Qe4#
- 1...e2
- 2.Rd2#
- 1...Bh1
- Tries
- 1.Ke5?
- 1...Bb3
- 2.Qxb3#
- 2.Qe4#
- 1...Bh1
- 2.Qb3#
- 2.Qc4#
- 1...Ba2
- 2.Qe4#
- 1...Bg2
- 2.Qb3#
- 2.Qc4#
- 1...Bf3
- 2.Qb3#
- 2.Qc4#
- 1...Bc4
- 2.Qxc4#
- 1...Be4
- 2.Qb3#
- 2.Qc4#
- 2.Qxe4#
- 1...Bc6
- 2.Qb3#
- 2.Qc4#
- 1...Be6
- 2.Qe4#
- 1...Bb7
- 2.Qb3#
- 2.Qc4#
- 1...Bf7
- 2.Qe4#
- 1...Ba8
- 2.Qb3#
- 2.Qc4#
- 1...Bg8
- 2.Qe4#
- 1...e2!
- 1...Bb3
- 1.Bb6?
- 1...Bb3
- 2.Qxb3#
- 2.Qe4#
- 1...Bh1
- 2.Qb3#
- 2.Qc4#
- 1...Ba2
- 2.Qe4#
- 1...Bg2
- 2.Qb3#
- 2.Qc4#
- 1...Bf3
- 2.Qb3#
- 2.Qc4#
- 1...Bc4
- 2.Qxc4#
- 1...Be4
- 2.Qb3#
- 2.Qc4#
- 2.Qxe4#
- 1...Bc6
- 2.Qb3#
- 2.Qc4#
- 1...Be6
- 2.Qe4#
- 1...Bb7
- 2.Qb3#
- 2.Qc4#
- 1...Bf7
- 2.Qe4#
- 1...Ba8
- 2.Qb3#
- 2.Qc4#
- 1...Bg8
- 2.Qe4#
- 1...e2!
- 1...Bb3
- 1.Bc7?
- 1...Bb3
- 2.Qe4#
- 1...Bc4
- 2.Qxc4#
- 1...Bh1
- 2.Qc4#
- 1...Ba2
- 2.Qe4#
- 1...Bg2
- 2.Qc4#
- 1...Bf3
- 2.Qc4#
- 1...Be4
- 2.Qc4#
- 2.Qxe4#
- 1...Bc6
- 2.Qc4#
- 1...Be6
- 2.Qe4#
- 1...Bb7
- 2.Qc4#
- 1...Bf7
- 2.Qe4#
- 1...Ba8
- 2.Qc4#
- 1...Bg8
- 2.Qe4#
- 1...e2!
- 1...Bb3
- 1.Bd8?
- 1...Bb3
- 2.Qe4#
- 1...Bc4
- 2.Qxc4#
- 1...Bh1
- 2.Qc4#
- 1...Ba2
- 2.Qe4#
- 1...Bg2
- 2.Qc4#
- 1...Bf3
- 2.Qc4#
- 1...Be4
- 2.Qc4#
- 2.Qxe4#
- 1...Bc6
- 2.Qc4#
- 1...Be6
- 2.Qe4#
- 1...Bb7
- 2.Qc4#
- 1...Bf7
- 2.Qe4#
- 1...Ba8
- 2.Qc4#
- 1...Bg8
- 2.Qe4#
- 1...e2!
- 1...Bb3
- 1.Rc4?
- threat
- 2.Qc2#
- 1...Bxc4
- 2.Qd1#
- 1...Ke2!
- threat
- 1.Qb3+?
- 1...Kd4
- 2.Bb6#
- 2.Qc3#
- 2.Qxe3#
- 1...Bxb3!
- 1...Kd4
- 1.Qb5+?
- 1...Kd4
- 2.Bc3#
- 2.Bb6#
- 1...Bc4
- 2.Qxc4#
- 1...Kxc2!
- 1...Kd4
- 1.Qc6?
- threat
- 2.Qc3#
- 1...Kd4
- 2.Qc3#
- 1...Bc4
- 2.Qe4#
- 2.Qxc4#
- 1...Bxc6!
- threat
- 1.Qa1?
- threat
- 2.Qc3#
- 2.Qd1#
- 1...e2
- 2.Qc3#
- 1...Bf3
- 2.Qc3#
- 1...Kxc2!
- threat
- 1.Ke5?
- Keys
- 1.Be1!
- 1...Bb3
- 2.Qe4#
- 1...Bc4
- 2.Qxc4#
- 1...Bh1
- 2.Qc4#
- 1...Ba2
- 2.Qe4#
- 1...Bg2
- 2.Qc4#
- 1...Bf3
- 2.Qc4#
- 1...Be4
- 2.Qc4#
- 2.Qxe4#
- 1...Bc6
- 2.Qc4#
- 1...Be6
- 2.Qe4#
- 1...Bb7
- 2.Qc4#
- 1...Bf7
- 2.Qe4#
- 1...Ba8
- 2.Qc4#
- 1...Bg8
- 2.Qe4#
- 1...e2
- 2.Rc3#
- 1...Bb3
- 1.Be1!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 1
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- B(c);N_GUARD::QAB1(B)
- B(c);N_GUARD::QAB1(B),XB(c)
- P(b);N_GUARD::R1(A)
- Tries
- Try
- K(C);S_FLIGHT
- Vars
- B(c);N_GUARD::QAB1(B)
- B(c);N_GUARD::QAB1(B),XB(c)
- Refutation
- P(b);
- Try
- B(D);
- Vars
- B(c);N_GUARD::QAB1(B)
- B(c);N_GUARD::QAB1(B),XB(c)
- Refutation
- P(b);
- Try
- B(D);
- Vars
- B(c);N_GUARD::QAB1(B)
- B(c);N_GUARD::QAB1(B),XB(c)
- Refutation
- P(b);
- Try
- B(D);
- Vars
- B(c);N_GUARD::QAB1(B)
- B(c);N_GUARD::QAB1(B),XB(c)
- Refutation
- P(b);
- Try
- R(A);
- Threat
- QAB1(B)
- Vars
- B(c);SBLOCK,XR(A)::QAR2(B)
- Refutation
- K(a);S_FLIGHT
- Try
- Q(B);CHECK
- Refutation
- B(c);XQ(B)
- Try
- Q(B);CHECK
- Vars
- B(c);N_GUARD,P_SPINB(c)::QAB1(B),XB(c)
- Refutation
- K(a);S_FLIGHT,XR(A)
- Try
- Q(B);
- Threat
- QAR1(B)
- Vars
- K(a);P-FLIGHT::QAB1(B)
- Refutation
- B(c);XQ(B)
- Try
- Q(B);
- Threat
- DUALS(2)
- Vars
- P(b);::QAR1(B)
- B(c);::QAR1(B)
- Refutation
- K(a);S_FLIGHT,XR(A)
- Try
- Actual
- B(D);
- Vars
- B(c);N_GUARD::QAB1(B)
- B(c);N_GUARD::QAB1(B),XB(c)
- P(b);SBLOCK::R1(A)
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).