MESON Chess Problem Database
Problem Display
PID: 263286 (8/3p2K1/r2N3R/p2Bk3/p7/1rpR4/Q3N3/8 w - - 0 1)
Erokhin, Vladimir Alekseevich
Szachy, 1977
#2
7 + 7
| 6490 | yacpdb | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Rb1
- 2.Re3#
- 1...Rb2
- 2.Re3#
- 1...Ra3
- 2.Re3#
- 1...Rb5
- 2.Re3#
- 1...Rbb6
- 2.Re3#
- 1...Rb7
- 2.Re3#
- 1...Rb8
- 2.Re3#
- 1...Rxd6
- 2.Rh5#
- 1...Rb1
- Tries
- 1.Bh1?
- threat
- 2.Re3#
- 2.Rd5#
- 1...Rb4
- 2.Rd5#
- 2.Rh5#
- 2.Qd5#
- 1...Rb5
- 2.Re3#
- 2.Rh5#
- 1...c2
- 2.Rd5#
- 1...Rxd6!
- threat
- 1.Bg2?
- threat
- 2.Re3#
- 2.Rd5#
- 1...Rb4
- 2.Rd5#
- 2.Rh5#
- 2.Qd5#
- 1...Rb5
- 2.Re3#
- 2.Rh5#
- 1...c2
- 2.Rd5#
- 1...Rxd6!
- threat
- 1.Bf3?
- threat
- 2.Re3#
- 2.Rd5#
- 1...Rb4
- 2.Rd5#
- 2.Rh5#
- 2.Qd5#
- 1...Rb5
- 2.Re3#
- 2.Rh5#
- 1...c2
- 2.Rd5#
- 1...Rxd6!
- threat
- 1.Bc4?
- threat
- 2.Re3#
- 2.Rd5#
- 2.Rh5#
- 1...Rb5
- 2.Re3#
- 2.Rh5#
- 1...c2
- 2.Rd5#
- 2.Rh5#
- 1...Rxd6!
- threat
- 1.Be4?
- threat
- 2.Rd5#
- 1...Rb5
- 2.Rh5#
- 1...Rxd6!
- threat
- 1.Bf7?
- threat
- 2.Re3#
- 2.Rd5#
- 2.Rh5#
- 1...Rb4
- 2.Rd5#
- 2.Rh5#
- 2.Qd5#
- 1...Rb5
- 2.Re3#
- 2.Rh5#
- 1...c2
- 2.Rd5#
- 2.Rh5#
- 1...Rxd6!
- threat
- 1.Bg8?
- threat
- 2.Re3#
- 2.Rd5#
- 2.Rh5#
- 1...Rb4
- 2.Rd5#
- 2.Rh5#
- 2.Qd5#
- 1...Rb5
- 2.Re3#
- 2.Rh5#
- 1...c2
- 2.Rd5#
- 2.Rh5#
- 1...Rxd6!
- threat
- 1.Rf3?
- threat
- 2.Rf5#
- 1...Rxd6
- 2.Rh5#
- 1...Kxd5!
- threat
- 1.Rf6?
- threat
- 2.Sc4#
- 2.Sf7#
- 1...Rb4
- 2.Sf7#
- 1...Rc6
- 2.Sf7#
- 1...Rxd6!
- threat
- 1.Qxb3?
- threat
- 2.Re3#
- 2.Qxc3#
- 1...Rxd6
- 2.Rh5#
- 1...Rc6
- 2.Re3#
- 1...c2
- 2.Re3#
- 2.Qb2#
- 2.Qc3#
- 1...axb3!
- threat
- 1.Qd2?
- threat
- 2.Re3#
- 2.Qe3#
- 2.Qf4#
- 2.Qg5#
- 1...Rxd6
- 2.Rh5#
- 2.Qf4#
- 2.Qg5#
- 1...Rb4
- 2.Qg5#
- 1...c2
- 2.Qe3#
- 2.Qf4#
- 2.Qg5#
- 1...cxd2!
- threat
- 1.Qxa4?
- threat
- 2.Qd4#
- 2.Qe4#
- 2.Qf4#
- 1...Rxd6
- 2.Rh5#
- 2.Qe4#
- 2.Qf4#
- 1...Rb4!
- threat
- 1.Bh1?
- Keys
- 1.Be6!
- threat
- 2.Rd5#
- 1...Rxd6
- 2.Re3#
- 1...dxe6
- 2.Rh5#
- 1...Rb5
- 2.Rh5#
- threat
- 1.Be6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 1
- REMOVED MATES = 6
- Sets
- R(a);::R(C)
- R(f);SBLOCK,XS(E)::R(F)
- Tries
- Try
- B(D);
- Threat
- DUALS(2)
- Vars
- P(b);::R1(C)
- Refutation
- R(f);XS(E)
- Try
- B(D);
- Threat
- DUALS(2)
- Vars
- P(b);::R1(C)
- Refutation
- R(f);XS(E)
- Try
- B(D);
- Threat
- DUALS(2)
- Vars
- P(b);::R1(C)
- Refutation
- R(f);XS(E)
- Try
- B(D);
- Threat
- DUALS(3)
- Refutation
- R(f);XS(E)
- Try
- B(D);
- Threat
- R1(C)
- Vars
- R(a);::R(F)
- Refutation
- R(f);XS(E)
- Try
- B(D);
- Threat
- DUALS(3)
- Refutation
- R(f);XS(E)
- Try
- B(D);
- Threat
- DUALS(3)
- Refutation
- R(f);XS(E)
- Try
- R(C);
- Threat
- R1(C)
- Vars
- R(f);SBLOCK,XS(E)::R(F)
- Refutation
- K(e);P-FLIGHT,P_SPINR(a),XB(D)
- Try
- R(F);
- Threat
- DUALS(2)
- Vars
- R(a);::S(E)
- R(f);::S(E)
- Refutation
- R(f);XS(E)
- Try
- Q(A);XR(a)
- Threat
- DUALS(2)
- Vars
- R(f);SBLOCK,XS(E)::R(F)
- R(f);::R(C)
- Refutation
- P(c);XQ(A)
- Try
- Q(A);
- Threat
- DUALS(4)
- Vars
- R(a);::QAR2(A)
- Refutation
- P(b);XQ(A)
- Try
- Q(A);XP(c)
- Threat
- DUALS(3)
- Refutation
- R(a);
- Try
- Actual
- B(D);
- Threat
- R1(C)
- Vars
- R(f);SBLOCK,XS(E)::R(C)
- P(g);SBLOCK,XB(D)::R(F)
- R(a);::R(F)
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