MESON Chess Problem Database
Problem Display
PID: 237352 (8/3p4/n1p1R3/1P1k1r2/Nr2RPp1/B2pP1K1/5N2/7Q w - - 0 1)
Dyachuk, Vasyl Vasilovich
3rd HM., Pat a Mat, 1999
#2
10 + 8
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Rb1
- 2.Sc3#
- 2.Sb6#
- 2.Rd6#
- 1...Rb2
- 2.Sc3#
- 2.Sb6#
- 2.Rd6#
- 1...Rb3
- 2.Sb6#
- 2.Rd6#
- 1...Rxa4
- 2.Rd6#
- 1...Rc4
- 2.Sb6#
- 2.R4e5#
- 2.Rd6#
- 1...Rd4
- 2.Sb6#
- 1...Rxe4
- 2.Qxe4#
- 1...Rxb5
- 2.Sc3#
- 2.Rd6#
- 1...Rh5
- 2.Qxh5#
- 1...Sc5
- 2.Sc3#
- 2.Sb6#
- 1...c5
- 2.Sc3#
- 2.Sb6#
- 1...dxe6
- 2.Rd4#
- 1...Rb1
- Tries
- 1.Sd1?
- threat
- 2.Sdc3#
- 1...Rxe4
- 2.Qxe4#
- 1...dxe6
- 2.Rd4#
- 1...Rd4
- 2.Sb6#
- 1...Rb3
- 2.Sb6#
- 2.Rd6#
- 1...Rc4
- 2.Sb6#
- 2.R4e5#
- 2.Rd6#
- 1...Re5!
- threat
- 1.Sxd3?
- threat
- 2.Sc3#
- 2.Sb6#
- 1...Rxa4
- 2.Rd6#
- 1...Rxe4
- 2.Qxe4#
- 1...Rxb5
- 2.Sc3#
- 2.Rd6#
- 1...dxe6
- 2.Rd4#
- 1...Rd4
- 2.Sb6#
- 1...Rb3
- 2.Sb6#
- 2.Rd6#
- 1...Rc4
- 2.Sb6#
- 2.R4e5#
- 2.Rd6#
- 1...Re5!
- threat
- 1.Bxb4?
- threat
- 2.Sc3#
- 2.Sb6#
- 2.Rd6#
- 1...dxe6
- 2.Sc3#
- 2.Sb6#
- 2.Rd4#
- 1...Re5
- 2.R6xe5#
- 2.Rd6#
- 1...Rf6
- 2.Sc3#
- 2.Sb6#
- 2.R6e5#
- 1...Sc5
- 2.Sc3#
- 2.Sb6#
- 1...c5
- 2.Sc3#
- 2.Sb6#
- 1...d6
- 2.Sc3#
- 2.Sb6#
- 2.Rxd6#
- 1...Sxb4!
- threat
- 1.Rxc6?
- threat
- 2.Sc3#
- 2.Sb6#
- 2.Rxb4#
- 2.Rec4#
- 2.Rd4#
- 2.Re5#
- 1...Rxa4
- 2.Rxa4#
- 2.Rb4#
- 2.Rec4#
- 2.Rd4#
- 2.Re5#
- 2.Rd6#
- 1...Rxe4
- 2.Sc3#
- 2.Sb6#
- 2.Qxe4#
- 1...Rxb5
- 2.Rb4#
- 2.Rec4#
- 2.Rd4#
- 2.Re5#
- 2.Ree6#
- 2.Re7#
- 2.Re8#
- 2.Rd6#
- 1...Rxf4
- 2.Sc3#
- 2.Sb6#
- 1...Rb1
- 2.Sc3#
- 2.Sb6#
- 2.Rd4#
- 2.Re5#
- 2.Rd6#
- 1...Rb2
- 2.Sc3#
- 2.Sb6#
- 2.Rb4#
- 2.Rec4#
- 2.Rd4#
- 2.Re5#
- 2.Ree6#
- 2.Re7#
- 2.Re8#
- 2.Rd6#
- 1...Rb3
- 2.Sb6#
- 2.Rb4#
- 2.Rec4#
- 2.Rd4#
- 2.Re5#
- 2.Ree6#
- 2.Re7#
- 2.Re8#
- 2.Rd6#
- 1...Rc4
- 2.Sb6#
- 2.Rexc4#
- 2.Rd4#
- 2.Re5#
- 2.Rd6#
- 1...Rd4
- 2.Sc3#
- 2.Sb6#
- 2.Rxd4#
- 2.Re5#
- 1...Re5
- 2.Sc3#
- 2.Sb6#
- 2.Rd4#
- 2.Rxe5#
- 1...Rh5
- 2.Sc3#
- 2.Sb6#
- 2.Rd4#
- 2.Re5#
- 2.Qxh5#
- 1...Sc5
- 2.Sc3#
- 2.Sb6#
- 2.Rd4#
- 1...d6
- 2.Sc3#
- 2.Sb6#
- 2.Re5#
- 1...dxc6!
- threat
- 1.Re7?
- threat
- 2.Rd4#
- 2.Rxd7#
- 1...Rxe4
- 2.Sb6#
- 2.Qxe4#
- 1...cxb5
- 2.Rd4#
- 1...Rd4
- 2.Sb6#
- 2.Rxd4#
- 1...Re5
- 2.Rd4#
- 1...Rf6
- 2.Rd4#
- 1...Rf7
- 2.Rd4#
- 1...Sc5
- 2.Rd4#
- 1...Sb8
- 2.Rd4#
- 1...d6
- 2.Rxb4#
- 2.Rd4#
- 1...Kd6!
- threat
- 1.Re8?
- threat
- 2.Rd4#
- 1...Rxe4
- 2.Sb6#
- 2.Qxe4#
- 1...Rd4
- 2.Sb6#
- 2.Rxd4#
- 1...Kd6!
- threat
- 1.Qh6?
- threat
- 2.Rd6#
- 1...Rxe4
- 2.Sb6#
- 1...dxe6
- 2.Qxe6#
- 1...Rd4
- 2.Sb6#
- 2.Rxd4#
- 1...d6
- 2.Rxd6#
- 1...Rf6!
- threat
- 1.Sd1?
- Keys
- 1.Qc1!
- threat
- 2.Sb6#
- 1...Rxa4
- 2.Rd6#
- 1...Rxe4
- 2.Rd6#
- 1...Rxb5
- 2.Sc3#
- 2.Rd6#
- 2.Qc4#
- 1...dxe6
- 2.Qxc6#
- 1...Re5
- 2.R4xe5#
- threat
- 1.Qc1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 1
- REMOVED MATES = 2
- Sets
- R(b);XS(F)::R1(J)
- R(b);::S(F)
- R(b);OGATE,P_SPINR(b),XR(G)::QAB1(A),XR(b)
- R(e);OGATEB::QAR(A),XR(e)
- P(h);SBLOCK,XR(J)::QAB(A)+R(G),DCHECK
- Tries
- Try
- S(B);
- Threat
- S(B)
- Vars
- R(b);OGATE,P_SPINR(b),XR(G)::QAB1(A),XR(b)
- P(h);SBLOCK,XR(J)::QAB(A)+R(G),DCHECK
- R(b);::S(F)
- Refutation
- R(e);
- Try
- S(B);XP(a)
- Threat
- DUALS(2)
- Vars
- R(b);XS(F)::R1(J)
- R(b);OGATE,P_SPINR(b),XR(G)::QAB1(A),XR(b)
- P(h);SBLOCK,XR(J)::QAB(A)+R(G),DCHECK
- R(b);::S(F)
- Refutation
- R(e);
- Try
- B(C);XR(b)
- Threat
- DUALS(3)
- Refutation
- S(f);XB(C)
- Try
- R(J);XP(g)
- Threat
- DUALS(6)
- Refutation
- P(h);XR(J)
- Try
- R(J);
- Threat
- DUALS(2)
- Vars
- P(g);XP(I)::QAB(A)+R(G),DCHECK
- R(e);::QAB(A)+R(G),DCHECK
- S(f);::QAB(A)+R(G),DCHECK
- Refutation
- K(d);P-FLIGHT,P_SPINR(b)
- Try
- R(J);
- Threat
- QAB(A)+R(G),DCHECK
- Refutation
- K(d);P-FLIGHT,P_SPINR(b)
- Try
- Q(A);
- Threat
- R1(J)
- Vars
- R(b);XR(G)::S(F)
- P(h);OGATE,XR(J)::QAB1(A),XP(h)
- P(h);::R1(J),XP(h)
- Refutation
- R(e);
- Try
- Actual
- Q(A);
- Threat
- S(F)
- Vars
- R(b);XS(F)::R1(J)
- R(b);XR(G)::R1(J)
- P(h);N_GUARD,XR(J)::QAB1(A),XP(g)
- R(e);N_GUARD::R1(G),XR(e)
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