MESON Chess Problem Database
Problem Display
PID: 243652 (1RK1B3/8/2N5/B5R1/k1rb2Q1/3r4/8/1N6 w - - 0 1)
Banaszek, Marcin
Szachy, 1967
#2
8 + 4
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Rc1
- 2.Rb4#
- 1...Rc2
- 2.Rb4#
- 1...Rc3
- 2.Rb4#
- 1...Rb4
- 2.Rxb4#
- 1...Rc5
- 2.Rb4#
- 1...Rxc6+
- 2.Bxc6#
- 1...Ba1
- 2.Qxc4#
- 1...Bg1
- 2.Qxc4#
- 1...Bb2
- 2.Qxc4#
- 1...Bf2
- 2.Qxc4#
- 1...Be3
- 2.Qxc4#
- 1...Be5
- 2.Qxc4#
- 1...Bb6
- 2.Qxc4#
- 1...Bf6
- 2.Qxc4#
- 1...Ba7
- 2.Qxc4#
- 1...Bg7
- 2.Qxc4#
- 1...Bh8
- 2.Qxc4#
- 1...Rc1
- Tries
- 1.Be1?
- threat
- 2.Ra5#
- 1...Rxc6+
- 2.Bxc6#
- 1...Rb4
- 2.Rxb4#
- 1...Bb6
- 2.Qxc4#
- 1...Rc5
- 2.Rb4#
- 1...Bc5
- 2.Sd4#
- 1...Be5
- 2.Qxc4#
- 1...Bc3!
- threat
- 1.Bc3?
- threat
- 2.Ra5#
- 1...Rxc6+
- 2.Bxc6#
- 1...Rb4
- 2.Rxb4#
- 1...Bb6
- 2.Qxc4#
- 1...Rc5
- 2.Rb4#
- 1...Bc5
- 2.Sd4#
- 1...Be5
- 2.Qxc4#
- 1...Bxc3!
- threat
- 1.Bc7?
- threat
- 2.Ra5#
- 1...Rb4
- 2.Rxb4#
- 1...Bb6
- 2.Qxc4#
- 1...Rc5
- 2.Rb4#
- 1...Bc5
- 2.Sd4#
- 1...Be5
- 2.Qxc4#
- 1...Bc3!
- threat
- 1.Bd8?
- threat
- 2.Ra5#
- 1...Rxc6+
- 2.Bxc6#
- 1...Rb4
- 2.Rxb4#
- 1...Bb6
- 2.Qxc4#
- 1...Rc5
- 2.Rb4#
- 1...Bc5
- 2.Sd4#
- 1...Be5
- 2.Qxc4#
- 1...Bc3!
- threat
- 1.Rc5?
- threat
- 2.Sxd4#
- 2.Se5#
- 2.Sa7#
- 2.Se7#
- 2.Sd8#
- 2.Rxc4#
- 1...Rxc5
- 2.Rb4#
- 1...Rb4
- 2.Rxb4#
- 1...Bc3
- 2.Sd4#
- 1...Rb3
- 2.Sb4#
- 1...Rdc3
- 2.Sxd4#
- 2.Se5#
- 2.Sa7#
- 2.Se7#
- 2.Sd8#
- 1...Re3
- 2.Se5#
- 2.Se7#
- 2.Rxc4#
- 1...Rc1
- 2.Sxd4#
- 2.Se5#
- 2.Sa7#
- 2.Se7#
- 2.Sd8#
- 2.Rb4#
- 1...Rc2
- 2.Sxd4#
- 2.Se5#
- 2.Sa7#
- 2.Se7#
- 2.Sd8#
- 2.Rb4#
- 1...Rcc3
- 2.Sxd4#
- 2.Se5#
- 2.Sa7#
- 2.Se7#
- 2.Sd8#
- 2.Rb4#
- 1...Ba1
- 2.Sd4#
- 2.Rxc4#
- 2.Qxc4#
- 1...Bg1
- 2.Sd4#
- 2.Rxc4#
- 2.Qxc4#
- 1...Bb2
- 2.Sd4#
- 2.Rxc4#
- 2.Qxc4#
- 1...Bf2
- 2.Sd4#
- 2.Rxc4#
- 2.Qxc4#
- 1...Be3
- 2.Sd4#
- 2.Rxc4#
- 2.Qxc4#
- 1...Be5
- 2.Sd4#
- 2.Rxc4#
- 2.Qxc4#
- 1...Bf6
- 2.Sd4#
- 2.Rxc4#
- 2.Qxc4#
- 1...Bg7
- 2.Sd4#
- 2.Rxc4#
- 2.Qxc4#
- 1...Bh8
- 2.Sd4#
- 2.Rxc4#
- 2.Qxc4#
- 1...Bxc5!
- threat
- 1.Qd1+?
- 1...Rb3
- 2.Qxb3#
- 1...Rc2
- 2.Rb4#
- 1...Rxd1!
- 1...Rb3
- 1.Be1?
- Keys
- 1.Bd2!
- threat
- 2.Ra5#
- 1...Rxc6+
- 2.Bxc6#
- 1...Rb4
- 2.Rxb4#
- 1...Bb6
- 2.Qxc4#
- 1...Rc5
- 2.Rb4#
- 1...Bc3
- 2.Qd1#
- 1...Bc5
- 2.Sd4#
- 1...Be5
- 2.Qxc4#
- threat
- 1.Bd2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 12
- Sets
- R(c);N_GUARD,P_SPINB(d)::R1(F)
- R(c);N_GUARD,N_PINS(E)::R1(F),XR(c)
- R(c);CHECK,OGATE,P_SPINB(d),P_SPINR(c),XS(E)::B(H),XR(c)
- B(d);OGATE,P_SPINR(c)::QAR2(B),XR(c)
- Tries
- Try
- B(C);
- Threat
- R1(D)
- Vars
- R(c);CHECK,OGATE,P_SPINB(d),P_SPINR(c),XS(E)::B(H),XR(c)
- R(c);N_GUARD,N_PINS(E)::R1(F),XR(c)
- B(d);OGATE,P_SPINR(c)::QAR2(B),XR(c)
- R(c);N_GUARD,P_SPINB(d)::R1(F)
- B(d);N_PINS(E),P_SPINR(c)::B(H)+S(E)
- Refutation
- B(d);P_SPINR(c)
- Try
- B(C);
- Threat
- R1(D)
- Vars
- R(c);CHECK,OGATE,P_SPINB(d),P_SPINR(c),XS(E)::B(H),XR(c)
- R(c);N_GUARD,N_PINS(E)::R1(F),XR(c)
- B(d);OGATE,P_SPINR(c)::QAR2(B),XR(c)
- R(c);N_GUARD,P_SPINB(d)::R1(F)
- B(d);N_PINS(E),P_SPINR(c)::B(H)+S(E)
- Refutation
- B(d);P_SPINR(c),XB(C)
- Try
- B(C);N_SPINS(E)
- Threat
- R1(D)
- Vars
- R(c);N_GUARD::R1(F),XR(c)
- B(d);OGATE,P_SPINR(c)::QAR2(B),XR(c)
- R(c);N_GUARD,P_SPINB(d)::R1(F)
- B(d);P_SPINR(c)::B(H)+S(E)
- Refutation
- B(d);P_SPINR(c)
- Try
- B(C);
- Threat
- R1(D)
- Vars
- R(c);CHECK,OGATE,P_SPINB(d),P_SPINR(c),XS(E)::B(H),XR(c)
- R(c);N_GUARD,N_PINS(E)::R1(F),XR(c)
- B(d);OGATE,P_SPINR(c)::QAR2(B),XR(c)
- R(c);N_GUARD,P_SPINB(d)::R1(F)
- B(d);N_PINS(E),P_SPINR(c)::B(H)+S(E)
- Refutation
- B(d);P_SPINR(c)
- Try
- R(D);N_SPINS(E)
- Threat
- DUALS(6)
- Vars
- R(c);N_GUARD,P_PINS(E),P_SPINB(d),XR(D)::R1(F)
- R(c);N_GUARD::R1(F),XR(c)
- B(d);P_SPINR(c)::B(H)+S(E)
- R(a);SBLOCK::B(H)+S(E)
- Refutation
- B(d);P_SPINR(c),XR(D)
- Try
- Q(B);CHECK
- Vars
- R(a);N_GUARD,P_SPINR(a)::QAB1(B),XR(a)
- R(c);P_SPINR(c)::R1(F)
- Refutation
- R(a);XQ(B)
- Try
- Actual
- B(C);
- Threat
- R1(D)
- Vars
- R(c);CHECK,OGATE,P_SPINB(d),P_SPINR(c),XS(E)::B(H),XR(c)
- R(c);N_GUARD,N_PINS(E)::R1(F),XR(c)
- B(d);OGATE,P_SPINR(c)::QAR2(B),XR(c)
- R(c);N_GUARD,P_SPINB(d)::R1(F)
- B(d);P_SPINR(c),S_CUTR(a)::QAB(B)
- B(d);N_PINS(E),P_SPINR(c)::B(H)+S(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).