MESON Chess Problem Database
Problem Display
PID: 274423 (8/8/1pN2P2/1P2pP2/RK2kNPQ/ppPRBp1B/1r6/r7 w - - 0 1)
Kopaev, Viacheslav Georgievich
diagrammes, 1979
#2
13 + 8
SOLUTION
- SOUND
- Sets
- 1...Rab1
- 2.Kxa3#
- 1...Rc1
- 2.Kxa3#
- 1...Rd1
- 2.Kxa3#
- 1...Re1
- 2.Kxa3#
- 1...Rf1
- 2.Kxa3#
- 1...Rg1
- 2.Kxa3#
- 1...Rh1
- 2.Kxa3#
- 1...Ra2
- 2.Kxb3#
- 1...Rc2
- 2.Kxb3#
- 1...Rd2
- 2.Kxb3#
- 1...Re2
- 2.Kxb3#
- 1...Rf2
- 2.Kxb3#
- 1...Rg2
- 2.Kxb3#
- 1...Rh2
- 2.Kxb3#
- 1...a2
- 2.Ka3#
- 1...f2
- 2.Bg2#
- 1...Rab1
- Tries
- 1.Bc1?
- 1...Rxc1
- 2.Kxa3#
- 1...exf4
- 2.Rd4#
- 1...Rd2
- 2.Kxb3#
- 1...Rab1
- 2.Kxa3#
- 1...Rbb1
- 2.Qe1#
- 1...Rba2
- 2.Kxb3#
- 1...Rc2
- 2.Kxb3#
- 1...Re2
- 2.Kxb3#
- 1...Rf2
- 2.Kxb3#
- 1...Rg2
- 2.Kxb3#
- 1...Rh2
- 2.Kxb3#
- 1...a2
- 2.Ka3#
- 1...f2
- 2.Bg2#
- 1...Raa2!
- 1...Rxc1
- 1.Bd2?
- 1...Rxd2
- 2.Kxb3#
- 1...exf4
- 2.Rd4#
- 1...Raa2
- 2.Qe1#
- 1...Rab1
- 2.Kxa3#
- 1...Rc1
- 2.Kxa3#
- 1...Rd1
- 2.Kxa3#
- 1...Re1
- 2.Kxa3#
- 2.Qxe1#
- 1...Rf1
- 2.Kxa3#
- 1...Rg1
- 2.Kxa3#
- 1...Rh1
- 2.Kxa3#
- 1...Rba2
- 2.Kxb3#
- 1...Rc2
- 2.Kxb3#
- 1...a2
- 2.Ka3#
- 1...f2
- 2.Bg2#
- 1...Rbb1!
- 1...Rxd2
- 1.Bxb6?
- threat
- 2.Ka5#
- 2.Kc5#
- 1...Kxf4
- 2.g5#
- 1...exf4!
- threat
- 1.Bc1?
- Keys
- 1.Qe1!
- 1...Rxe1
- 2.Kxa3#
- 1...exf4
- 2.Rd4#
- 1...f2
- 2.Bg2#
- 1...Raa2
- 2.Bd2#
- 1...Rab1
- 2.Kxa3#
- 1...Rc1
- 2.Kxa3#
- 1...Rd1
- 2.Kxa3#
- 1...Rbb1
- 2.Bc1#
- 1...Rba2
- 2.Kxb3#
- 1...Rc2
- 2.Kxb3#
- 1...Rd2
- 2.Kxb3#
- 1...Re2
- 2.Kxb3#
- 1...Rf2
- 2.Kxb3#
- 1...Rg2
- 2.Kxb3#
- 1...Rh2
- 2.Kxb3#
- 1...a2
- 2.Ka3#
- 1...Rxe1
- 1.Qe1!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 3
- Sets
- R(a);::R(E)+K(F),XP(c)
- R(b);::R(E)+K(F),XP(d)
- P(c);::R(E)+K(F)
- P(e);OGATEB::B(D)
- Tries
- Try
- B(C);
- Vars
- R(a);XB(C)::R(E)+K(F),XP(c)
- P(g);N_GUARD,XS(G)::R1(B)
- R(b);::R(E)+K(F),XP(d)
- R(a);::R(E)+K(F),XP(c)
- R(b);N_GUARD::QAR(I)
- P(c);::R(E)+K(F)
- P(e);OGATEB::B(D)
- Refutation
- R(a);
- Try
- B(C);
- Vars
- R(b);XB(C)::R(E)+K(F),XP(d)
- P(g);N_GUARD,XS(G)::R1(B)
- R(a);N_GUARD::QAR(I)
- R(a);::R(E)+K(F),XP(c)
- R(b);::R(E)+K(F),XP(d)
- P(c);::R(E)+K(F)
- P(e);OGATEB::B(D)
- Refutation
- R(b);
- Try
- B(C);XP(h)
- Threat
- DUALS(2)
- Vars
- K(f);P-FLIGHT,XS(G)::QAR(I)+P(H)
- Refutation
- P(g);XS(G)
- Try
- Actual
- Q(I);
- Vars
- R(a);XQ(I)::R(E)+K(F),XP(c)
- P(g);N_GUARD,XS(G)::R1(B)
- P(e);OGATEB::B(D)
- R(a);N_GUARD::QAR(I)+B(C)
- R(a);::R(E)+K(F),XP(c)
- R(b);N_GUARD::QAR(I)+B(C)
- R(b);::R(E)+K(F),XP(d)
- P(c);::R(E)+K(F)
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