MESON Chess Problem Database
Problem Display
PID: 183961 (B1n4B/1n6/2r3p1/1R1R4/3Pk1N1/3p2KQ/3r2P1/3N4 w - - 0 1)
Tikkanen, Tapani
Suomen Shakki, 1980
#2
10 + 7
SOLUTION
- SOUND
- Sets
- 1...Rf2
- 2.Sdxf2#
- 2.Sgxf2#
- 1...Rxg2+
- 2.Qxg2#
- 1...Rc1
- 2.Sf6#
- 1...Rc2
- 2.Sf6#
- 1...Rc3
- 2.Sxc3#
- 2.Sf6#
- 1...Rc4
- 2.Sf6#
- 1...Rc5
- 2.Sf6#
- 1...Ra6
- 2.Sc3#
- 1...Rb6
- 2.Sc3#
- 1...Rd6
- 2.Sc3#
- 1...Re6
- 2.Sc3#
- 1...Rf6
- 2.Sc3#
- 2.Sxf6#
- 1...Rc7
- 2.Sf6#
- 1...Sc5
- 2.Sc3#
- 1...Sbd6
- 2.Sf6#
- 1...Scd6
- 2.Sf6#
- 1...Rf2
- Tries
- 1.Kh2?
- threat
- 2.Qe3#
- 2.Qf3#
- 1...Kf4
- 2.Qf3#
- 1...Rc5
- 2.Qf3#
- 1...Sc5
- 2.Qf3#
- 1...Re2
- 2.Qf3#
- 1...Rf2
- 2.Qe3#
- 1...Rf6
- 2.Qe3#
- 1...Rxg2+!
- threat
- 1.Kh4?
- threat
- 2.Qe3#
- 2.Qf3#
- 1...Kf4
- 2.Qe3#
- 2.Qf3#
- 1...Rxg2
- 2.Qe3#
- 1...Rc5
- 2.Qf3#
- 1...Sc5
- 2.Qf3#
- 1...Re2
- 2.Qf3#
- 1...Rf2
- 2.Qe3#
- 1...Rf6
- 2.Qe3#
- 1...g5+!
- threat
- 1.Rb4?
- threat
- 2.Re5#
- 1...Rxg2+
- 2.Qxg2#
- 1...Rc4
- 2.Sf6#
- 1...Rc5
- 2.Sf6#
- 1...Re6
- 2.Sc3#
- 1...Kxd5!
- threat
- 1.Rd6?
- threat
- 2.Sf6#
- 2.Re5#
- 1...Rxg2+
- 2.Qxg2#
- 1...Rxd1
- 2.Re5#
- 1...Rxd6
- 2.Sc3#
- 1...Sbxd6
- 2.Sc3#
- 2.Bxc6#
- 1...Rc5
- 2.Sf6#
- 1...Sc5
- 2.Sf6#
- 1...Rf2
- 2.Sdxf2#
- 2.Sgxf2#
- 2.Re5#
- 1...Scxd6!
- threat
- 1.Rd8?
- threat
- 2.Re5#
- 1...Rxg2+
- 2.Qxg2#
- 1...Sxd8
- 2.Sc3#
- 1...Rc5
- 2.Sf6#
- 1...Sc5
- 2.Sf6#
- 1...Rd6
- 2.Sc3#
- 1...Re6
- 2.Sc3#
- 1...Sbd6
- 2.Sc3#
- 2.Bxc6#
- 1...Scd6!
- threat
- 1.Kh2?
- Keys
- 1.Rd7!
- threat
- 2.Re5#
- 1...Rxg2+
- 2.Qxg2#
- 1...Rc5
- 2.Sf6#
- 1...Sc5
- 2.Sf6#
- 1...Rd6
- 2.Sc3#
- 1...Re6
- 2.Sc3#
- 1...Sbd6
- 2.Sc3#
- 2.Bxc6#
- 1...Scd6
- 2.Re7#
- threat
- 1.Rd7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 0
- REMOVED MATES = 7
- Sets
- R(a);CHECK,OGATE,XP(B)::QAB(D),XR(a)
- R(d);N_GUARD::S(F)
- R(d);N_GUARD::S(A)
- S(f);S_CUTR(d)::S(A)
- S(f);S_CUTR(d)::S(F)
- S(g);S_CUTR(d)::S(F)
- Tries
- Try
- K(C);P_SPINP(B),S_FLIGHT
- Threat
- DUALS(2)
- Vars
- K(c);P-FLIGHT::QAR1(D)
- R(d);::QAB1(D)
- S(f);::QAB1(D)
- R(a);::QAB1(D)
- R(a);::QAR1(D)
- R(d);::QAR1(D)
- Refutation
- R(a);CHECK,XP(B)
- Try
- K(C);S_FLIGHT
- Threat
- DUALS(2)
- Vars
- R(a);XP(B)::QAR1(D)
- R(d);::QAB1(D)
- S(f);::QAB1(D)
- R(a);::QAB1(D)
- R(a);::QAR1(D)
- R(d);::QAR1(D)
- Refutation
- P(e);CHECK
- Try
- R(G);
- Threat
- R1(H)
- Vars
- R(a);CHECK,OGATE,XP(B)::QAB(D),XR(a)
- R(d);N_GUARD::S(F)
- R(d);N_GUARD::S(A)
- Refutation
- K(c);S_FLIGHT,XR(H)
- Try
- R(H);
- Threat
- DUALS(2)
- Vars
- R(a);CHECK,OGATE,XP(B)::QAB(D),XR(a)
- R(a);XS(A)::R1(G)
- R(d);N_GUARD,P_SPINS(f),XR(H)::S(A)
- R(d);P_SPINS(f)::S(F)
- S(f);P_SPINR(d)::S(F)
- Refutation
- S(g);XR(H)
- Try
- R(H);
- Threat
- R1(G)
- Vars
- R(a);CHECK,OGATE,XP(B)::QAB(D),XR(a)
- S(f);P_SPINR(d),XR(H)::S(A)
- R(d);N_GUARD,P_SPINS(f)::S(F)
- S(f);P_SPINR(d)::S(F)
- R(d);N_GUARD,P_SPINS(f)::S(A)
- Refutation
- S(g);
- Try
- Actual
- R(H);
- Threat
- R1(G)
- Vars
- R(a);CHECK,OGATE,XP(B)::QAB(D),XR(a)
- R(d);N_GUARD,P_SPINS(f)::S(F)
- S(f);P_SPINR(d)::S(F)
- R(d);N_GUARD,P_SPINS(f)::S(A)
- S(g);N_GUARD,S_CUTR(d)::R(H)
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