MESON Chess Problem Database
Problem Display
PID: 157934 (8/1p6/2q1P3/Q1Nr3R/p1rkn3/Rn2NP2/1K1P3B/5B2 w - - 0 1)
Animitsa, Khristofor Savvich
Revista Romana de Sah, 1970
#2
11 + 8
| 15148 | Sadier Collection | 2016 |
SOLUTION
- SOUND
- Sets
- 1...Qb5
- 2.Rxd5#
- 1...Qe8
- 2.Rxd5#
- 1...Qa6
- 2.Rxd5#
- 1...Qb6
- 2.Rxd5#
- 1...Qxe6
- 2.Sxe6#
- 1...Qc7
- 2.Rxd5#
- 1...Qc8
- 2.Rxd5#
- 1...Rc2+
- 2.Sxc2#
- 1...Rb4
- 2.Sc2#
- 2.Qxb4#
- 1...Re5
- 2.Bxe5#
- 1...Rd6
- 2.Be5#
- 1...Rd7
- 2.Be5#
- 1...Rd8
- 2.Be5#
- 1...Sa1
- 2.Rd3#
- 1...Sbxd2
- 2.Rd3#
- 1...Sc3
- 2.Sc2#
- 1...Qb5
- Tries
- 1.Rxa4?
- threat
- 2.Sc2#
- 2.Sxb3#
- 2.Rxc4#
- 1...Qxa4
- 2.Rxd5#
- 1...Qxc5
- 2.Sc2#
- 1...Rxa4
- 2.Sc2#
- 2.Sxb3#
- 1...Rxc5
- 2.Sc2#
- 1...Rxh5
- 2.Sxb3#
- 2.Rxc4#
- 1...Sbxd2
- 2.Sc2#
- 1...Sbxc5
- 2.Sc2#
- 2.Rxc4#
- 1...Sexd2
- 2.Sc2#
- 1...Sexc5
- 2.Sc2#
- 2.Rxc4#
- 2.Qc3#
- 1...Qb5
- 2.Rxd5#
- 1...b5
- 2.Sxb3#
- 1...Qa6
- 2.Sc2#
- 2.Sxb3#
- 2.Rxd5#
- 1...Qb6
- 2.Sc2#
- 2.Rxc4#
- 2.Rxd5#
- 1...Rb4
- 2.Sc2#
- 2.Sxb3#
- 2.Rxb4#
- 2.Qxb4#
- 1...Re5
- 2.Sxb3#
- 2.Bxe5#
- 2.Rxc4#
- 1...Rf5
- 2.Sxb3#
- 2.Rxc4#
- 1...Rg5
- 2.Sxb3#
- 2.Rxc4#
- 1...Sa1
- 2.Rxc4#
- 1...Sc1
- 2.Sc2#
- 2.Rxc4#
- 1...Sd6
- 2.Sc2#
- 2.Sxb3#
- 1...Sxa5!
- threat
- 1.Qb4?
- threat
- 2.Sc2#
- 2.Qxc4#
- 1...Qxc5
- 2.Sc2#
- 1...Rxc5
- 2.Sc2#
- 1...Rxh5
- 2.Qxc4#
- 1...Sbxd2
- 2.Sc2#
- 2.Rd3#
- 1...Sexd2
- 2.Sc2#
- 1...Qb5
- 2.Sc2#
- 2.Rxd5#
- 1...Qa6
- 2.Sc2#
- 2.Rxd5#
- 1...Re5
- 2.Bxe5#
- 2.Qxc4#
- 1...Rf5
- 2.Qxc4#
- 1...Rg5
- 2.Qxc4#
- 1...Sa1
- 2.Rd3#
- 2.Qxc4#
- 1...Sa5
- 2.Sc2#
- 2.Rd3#
- 1...Sd6
- 2.Sc2#
- 1...b5
- 2.Sc2#
- 1...Rxb4!
- threat
- 1.Qa7?
- threat
- 2.Sxb3#
- 1...Rc2+
- 2.Sxc2#
- 1...Qxc5
- 2.Rxd5#
- 1...Rcxc5
- 2.Sc2#
- 1...Rdxc5
- 2.Be5#
- 1...Sbxd2
- 2.Sb3#
- 2.Rd3#
- 1...Sbxc5
- 2.Rd3#
- 1...Sexc5
- 2.Rh4#
- 1...Qb6
- 2.Rxd5#
- 1...Sa1
- 2.Sb3#
- 2.Rd3#
- 1...Sc1
- 2.Sb3#
- 1...Sa5
- 2.Sb3#
- 2.Rd3#
- 1...b6!
- threat
- 1.Rxa4?
- Keys
- 1.Qb6!
- threat
- 2.Sxb3#
- 1...Rc2+
- 2.Sxc2#
- 1...Qxc5
- 2.Rxd5#
- 1...Qxb6
- 2.Rxd5#
- 1...Rcxc5
- 2.Sc2#
- 1...Rdxc5
- 2.Be5#
- 1...Sbxd2
- 2.Sb3#
- 2.Rd3#
- 1...Sbxc5
- 2.Rd3#
- 1...Sexc5
- 2.Rh4#
- 1...Sa1
- 2.Sb3#
- 2.Rd3#
- 1...Sc1
- 2.Sb3#
- 1...Sa5
- 2.Sb3#
- 2.Rd3#
- threat
- 1.Qb6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 6
- REMOVED MATES = 13
- Sets
- Q(g);N_GUARD::R1(J),XR(f)
- Q(g);XP(K)::S(I),XQ(g)
- R(c);CHECK,N_GUARD::S(F),XR(c)
- R(f);N_GUARD::B(D),XR(f)
- R(f);N_GUARD::B(D)
- S(a);OGATE::R1(E)
- S(a);OGATE,XP(C)::R1(E)
- S(e);S_CUTR(c)::S(F)
- Tries
- Try
- R(E);P_PINR(c),XP(b)
- Threat
- DUALS(3)
- Vars
- Q(g);N_GUARD,N_SPINR(c),XR(E)::R1(J),XR(f)
- Q(g);XS(I)::S(F)
- R(f);XS(I)::S(F)
- S(a);XP(C)::S(F)
- S(e);XP(C)::S(F)
- Q(g);N_GUARD::R1(J),XR(f)
- P(h);::S(I),XS(a)
- S(a);::R1(E),XR(c)
- Refutation
- S(a);XQ(H)
- Try
- Q(H);P_PINR(c)
- Threat
- DUALS(2)
- Vars
- Q(g);XS(I)::S(F)
- R(f);XS(I)::S(F)
- R(f);XR(J)::QAR1(H),XR(c)
- S(e);XP(C)::S(F)
- R(f);::QAR1(H),XR(c)
- S(e);::S(F)
- P(h);::S(F)
- Refutation
- R(c);N_SPINR(c),XQ(H)
- Try
- Q(H);
- Threat
- QAB(H)+S(I),DCHECK,XS(a)
- Vars
- R(c);CHECK,N_GUARD::S(F),XR(c)
- Q(g);N_GUARD,P_SPINQ(g),XS(I)::R1(J),XR(f)
- R(c);N_GUARD,P_SPINR(c),XS(I)::S(F)
- R(f);N_GUARD,P_SPINR(f),XS(I)::B(D)
- S(a);OGATE,P_SPINS(a),XS(I)::R1(E)
- S(e);OGATEB,P_SPINS(e),XS(I)::R(J)
- Q(g);N_GUARD::R1(J),XR(f)
- S(a);::QAB(H)+S(I),DCHECK
- Refutation
- P(h);
- Try
- Actual
- Q(H);
- Threat
- QAB(H)+S(I),DCHECK,XS(a)
- Vars
- R(c);CHECK,N_GUARD::S(F),XR(c)
- Q(g);N_GUARD,P_SPINQ(g),XS(I)::R1(J),XR(f)
- Q(g);N_GUARD,XQ(H)::R1(J),XR(f)
- R(c);N_GUARD,P_SPINR(c),XS(I)::S(F)
- R(f);N_GUARD,P_SPINR(f),XS(I)::B(D)
- S(a);OGATE,P_SPINS(a),XS(I)::R1(E)
- S(e);OGATEB,P_SPINS(e),XS(I)::R(J)
- S(a);::QAB(H)+S(I),DCHECK
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