MESON Chess Problem Database
Problem Display
PID: 48392 (1n6/3pBp1b/2pP1N2/1BR2pN1/3kp1Pp/pKR4r/5b1r/Q3n2q w - - 0 1)
Gulyaev, Aleksandr Pavlovich (aka Grin, AP)
1st Prize, Shakhmaty, 1926/I
#2
10 + 15
| 273 | Mat Plus | 1994 |
SOLUTION
- SOUND
- Sets
- 1...Rxc3+
- 2.Qxc3#
- 1...Be3
- 2.Rc2#
- 1...e3
- 2.Rc1#
- 2.Rc2#
- 1...cxb5
- 2.Rd5#
- 1...Rxc3+
- Tries
- 1.Sfxe4?
- threat
- 2.Bf6#
- 2.Rd3#
- 2.Rf3#
- 2.Rg3#
- 2.Rxh3#
- 1...Rxc3+
- 2.Qxc3#
- 1...fxe4
- 2.Bf6#
- 1...cxb5
- 2.Bf6#
- 2.Rf3#
- 2.Rg3#
- 2.Rxh3#
- 1...Rd3
- 2.Rxd3#
- 1...Sd3
- 2.Rxd3#
- 1...Qf3
- 2.Bf6#
- 2.Rd3#
- 2.Rxf3#
- 1...Re3
- 2.Bf6#
- 2.Rd3#
- 1...Rf3
- 2.Bf6#
- 2.Rd3#
- 2.Rxf3#
- 1...Rg3
- 2.Bf6#
- 2.Rd3#
- 2.Rf3#
- 2.Rxg3#
- 1...Bg1
- 2.Bf6#
- 2.Rd3#
- 1...Be3
- 2.Bf6#
- 2.Rc2#
- 2.Rd3#
- 1...Bg3
- 2.Rd3#
- 1...Sc2
- 2.Bf6#
- 2.Rd3#
- 1...Sg2
- 2.Bf6#
- 2.Rd3#
- 1...Sf3
- 2.Rd3#
- 1...f6
- 2.Bxf6#
- 2.Rd3#
- 2.Rf3#
- 2.Rg3#
- 2.Rxh3#
- 1...Qxe4!
- threat
- 1.Sxd7?
- threat
- 2.Bf6#
- 2.Rd3#
- 2.Rf3#
- 2.Rg3#
- 2.Rxh3#
- 1...Rxc3+
- 2.Qxc3#
- 1...cxb5
- 2.Bf6#
- 2.Rf3#
- 2.Rg3#
- 2.Rxh3#
- 1...Rd3
- 2.Rxd3#
- 1...Sd3
- 2.Rxd3#
- 1...Qf3
- 2.Bf6#
- 2.Rd3#
- 2.Rxf3#
- 1...Re3
- 2.Bf6#
- 2.Rd3#
- 1...Rf3
- 2.Bf6#
- 2.Rd3#
- 2.Rxf3#
- 1...Rg3
- 2.Bf6#
- 2.Rd3#
- 2.Rf3#
- 2.Rxg3#
- 1...Bg1
- 2.Bf6#
- 2.Rd3#
- 1...Be3
- 2.Bf6#
- 2.Rc2#
- 2.Rd3#
- 1...Bg3
- 2.Rd3#
- 1...Sc2
- 2.Bf6#
- 2.Rd3#
- 1...Sg2
- 2.Bf6#
- 2.Rd3#
- 1...Sf3
- 2.Rd3#
- 1...e3
- 2.Bf6#
- 2.Rc1#
- 2.Rc2#
- 2.Rd3#
- 1...f6
- 2.Se6#
- 2.Bxf6#
- 2.Rd3#
- 2.Rf3#
- 2.Rg3#
- 2.Rxh3#
- 1...Sxd7!
- threat
- 1.Re5?
- threat
- 2.Rd3#
- 2.Rf3#
- 2.Rg3#
- 2.Rxh3#
- 1...Rxc3+
- 2.Qxc3#
- 1...cxb5
- 2.Rf3#
- 2.Rg3#
- 2.Rxh3#
- 2.Rd5#
- 1...Rd3
- 2.Rxd3#
- 1...Sd3
- 2.Rxd3#
- 1...Qf3
- 2.Rd3#
- 2.Rxf3#
- 1...Re3
- 2.Rd3#
- 1...Rf3
- 2.Rd3#
- 2.Rxf3#
- 1...Rg3
- 2.Rd3#
- 2.Rf3#
- 2.Rxg3#
- 1...Bg1
- 2.Rd3#
- 1...Be3
- 2.Rc2#
- 2.Rd3#
- 1...Bg3
- 2.Rd3#
- 1...Sc2
- 2.Rd3#
- 1...Sg2
- 2.Rd3#
- 1...Sf3
- 2.Rd3#
- 1...e3
- 2.Rc1#
- 2.Rc2#
- 2.Rd3#
- 2.Rcxe3#
- 2.Rcc5#
- 2.Rxc6#
- 1...Kxe5!
- threat
- 1.Rxf5?
- threat
- 2.Rd3#
- 2.Rcf3#
- 2.Rg3#
- 2.Rxh3#
- 1...Rxc3+
- 2.Qxc3#
- 1...cxb5
- 2.Rcf3#
- 2.Rg3#
- 2.Rxh3#
- 2.Rd5#
- 1...Rd3
- 2.Rxd3#
- 1...Sd3
- 2.Rxd3#
- 1...Qf3
- 2.Rd3#
- 2.Rcxf3#
- 1...Re3
- 2.Rd3#
- 1...Rf3
- 2.Rd3#
- 2.Rcxf3#
- 1...Rg3
- 2.Rd3#
- 2.Rcf3#
- 2.Rxg3#
- 1...Bg1
- 2.Rd3#
- 1...Be3
- 2.Rc2#
- 2.Rd3#
- 1...Bg3
- 2.Rd3#
- 1...Sc2
- 2.Rd3#
- 1...Sg2
- 2.Rd3#
- 1...Sf3
- 2.Rd3#
- 1...e3
- 2.Rc1#
- 2.Rc2#
- 2.Rd3#
- 2.Rcc5#
- 2.Rxc6#
- 1...Bxf5!
- threat
- 1.Sfxe4?
- Keys
- 1.Sd5!
- threat
- 2.Bf6#
- 1...Rxc3+
- 2.Qxc3#
- 1...Ke5
- 2.Re3#
- 1...Bg3
- 2.Rc2#
- 1...Sd3
- 2.R3c4#
- 1...Sf3
- 2.Rc1#
- 1...f6
- 2.Bxf6#
- threat
- 1.Sd5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 2
- Sets
- R(f);CHECK,OGATE,P_SPINR(f),XR(C)::QAB1(A),XR(f)
- B(c);N_PINR(C),SBLOCK::QAB(A)+R(C)
- P(k);N_GUARD,XB(E)::R1(F)
- Tries
- Try
- S(I);XP(h)
- Threat
- DUALS(5)
- Vars
- R(f);CHECK,OGATE,P_SPINR(f),XR(C)::QAB1(A),XR(f)
- P(j);XS(I)::B(J)
- R(f);::QAB(A)+R(C),DCHECK,XR(f)
- S(a);N_PINR(C)::QAB(A)+R(C),DCHECK,XS(a)
- B(c);N_PINR(C)::QAB(A)+R(C),DCHECK
- S(a);N_PINR(C)::QAB(A)+R(C),DCHECK
- Refutation
- Q(b);XS(I)
- Try
- S(I);XP(l)
- Threat
- DUALS(5)
- Vars
- R(f);CHECK,OGATE,P_SPINR(f),XR(C)::QAB1(A),XR(f)
- R(f);::QAB(A)+R(C),DCHECK,XR(f)
- S(a);N_PINR(C)::QAB(A)+R(C),DCHECK,XS(a)
- B(c);N_PINR(C)::QAB(A)+R(C),DCHECK
- S(a);N_PINR(C)::QAB(A)+R(C),DCHECK
- Refutation
- S(o);XS(I)
- Try
- R(F);
- Threat
- DUALS(4)
- Vars
- R(f);CHECK,OGATE,P_SPINR(f),XR(C)::QAB1(A),XR(f)
- R(f);::QAB(A)+R(C),DCHECK,XR(f)
- S(a);N_PINR(C)::QAB(A)+R(C),DCHECK,XS(a)
- R(f);::QAB(A)+R(C),DCHECK
- B(c);::QAB(A)+R(C),DCHECK
- B(c);N_PINR(C)::QAB(A)+R(C),DCHECK
- S(a);::QAB(A)+R(C),DCHECK
- S(a);N_PINR(C)::QAB(A)+R(C),DCHECK
- Refutation
- K(g);S_FLIGHT,XR(F)
- Try
- R(F);XP(j)
- Threat
- DUALS(4)
- Vars
- R(f);CHECK,OGATE,P_SPINR(f),XR(C)::QAB1(A),XR(f)
- R(f);::QAB(A)+R(C),DCHECK,XR(f)
- S(a);N_PINR(C)::QAB(A)+R(C),DCHECK,XS(a)
- R(f);::QAB(A)+R(C),DCHECK
- B(c);::QAB(A)+R(C),DCHECK
- B(c);N_PINR(C)::QAB(A)+R(C),DCHECK
- S(a);::QAB(A)+R(C),DCHECK
- S(a);N_PINR(C)::QAB(A)+R(C),DCHECK
- Refutation
- B(n);XR(F)
- Try
- Actual
- S(I);
- Threat
- B(J)
- Vars
- R(f);CHECK,OGATE,P_SPINR(f),XR(C)::QAB1(A),XR(f)
- K(g);S_FLIGHT::QAB(A)+R(C)
- B(c);N_PINR(C)::QAB(A)+R(C)
- S(a);N_PINR(C),SBLOCK::QAB(A)+R(C),DCHECK
- S(a);N_PINR(C)::QAB(A)+R(C)
- P(m);::B(J),XP(m)
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).