MESON Chess Problem Database
Problem Display
PID: 247325 (8/B1np4/1R4p1/5b2/K3pkpP/5PR1/2p2r1P/Q3NNn1 w - - 0 1)
Markovsky, Grigory F
Uralski Problemist, 2006
#2
10 + 10
SOLUTION
- SOUND
- Sets
- 1...Rxf1
- 2.Sg2#
- 1...Rg2
- 2.Sxg2#
- 1...Rxf3
- 2.Sg2#
- 1...Rxf1
- Tries
- 1.Rb4?
- threat
- 2.Sd3#
- 2.Be3#
- 1...Rxf1
- 2.Sg2#
- 2.Sd3#
- 1...Rxf3
- 2.Sg2#
- 1...c1Q
- 2.Sd3#
- 1...c1S
- 2.Be3#
- 1...c1B
- 2.Sd3#
- 1...Rd2
- 2.Be3#
- 1...Re2
- 2.Sd3#
- 1...Sd5
- 2.Sd3#
- 1...Be6!
- threat
- 1.Rb5?
- threat
- 2.Be3#
- 2.Qe5#
- 1...Rxf1
- 2.Sg2#
- 2.Qe5#
- 1...Rxf3
- 2.Sg2#
- 2.Qe5#
- 1...Sxf3
- 2.Be3#
- 1...Sxb5
- 2.Be3#
- 1...exf3
- 2.Qe5#
- 1...c1Q
- 2.Qe5#
- 1...c1B
- 2.Qe5#
- 1...Re2
- 2.Qe5#
- 1...e3
- 2.Bxe3#
- 2.Qe5#
- 1...d5
- 2.Be3#
- 1...d6
- 2.Be3#
- 1...Sd5!
- threat
- 1.Re6?
- threat
- 2.Be3#
- 2.Qe5#
- 1...Rxf1
- 2.Sg2#
- 2.Qe5#
- 1...Rxf3
- 2.Sg2#
- 2.Qe5#
- 1...Sxf3
- 2.Be3#
- 1...Sxe6
- 2.Be3#
- 1...dxe6
- 2.Be3#
- 1...c1Q
- 2.Qe5#
- 1...c1B
- 2.Qe5#
- 1...Re2
- 2.Qe5#
- 1...Sd5
- 2.Qe5#
- 1...e3
- 2.Bxe3#
- 2.Qe5#
- 1...d6
- 2.Be3#
- 1...Bxe6!
- threat
- 1.Qd4?
- threat
- 2.Sd3#
- 2.Qd6#
- 1...Rxf1
- 2.Sg2#
- 2.Sd3#
- 1...Rxf3
- 2.Sg2#
- 2.Qd6#
- 1...Sxf3
- 2.Sd3#
- 1...Be6
- 2.Qxe4#
- 1...c1S
- 2.Qd6#
- 1...Sb5
- 2.Sd3#
- 1...Sd5
- 2.Sd3#
- 1...Se8
- 2.Sd3#
- 1...d5
- 2.Sd3#
- 1...d6
- 2.Sd3#
- 2.Qxd6#
- 1...Rd2!
- threat
- 1.Qf6?
- threat
- 2.Rxg4#
- 2.Qd6#
- 1...Rxf1
- 2.Sg2#
- 1...Rxf3
- 2.Sg2#
- 2.Qd6#
- 1...exf3
- 2.Rb4#
- 1...gxf3
- 2.Qd6#
- 1...Rd2
- 2.Rxg4#
- 1...Rg2
- 2.Sxg2#
- 2.Qd6#
- 1...Sb5
- 2.Rxg4#
- 1...Se6
- 2.Rxg4#
- 1...Se8
- 2.Rxg4#
- 1...d6
- 2.Rxg4#
- 2.Qxd6#
- 1...Sxf3!
- threat
- 1.Rb4?
- Keys
- 1.Rf6!
- threat
- 2.Be3#
- 2.Rxg4#
- 1...Rxf1
- 2.Sg2#
- 2.Rxg4#
- 1...Rxf3
- 2.Sg2#
- 1...Sxf3
- 2.Be3#
- 1...exf3
- 2.Qd4#
- 1...gxf3
- 2.Be3#
- 1...c1Q
- 2.Rxg4#
- 1...c1B
- 2.Rxg4#
- 1...Re2
- 2.Rxg4#
- 1...Rg2
- 2.Sxg2#
- 2.Be3#
- 1...Sd5
- 2.Rxg4#
- 1...e3
- 2.Sd3#
- 2.Bxe3#
- 2.Rxg4#
- 2.Qd4#
- threat
- 1.Rf6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 7
- REMOVED MATES = 2
- Sets
- R(c);N_GUARD,XS(C)::S(B)
- R(c);N_GUARD::S(B),XR(c)
- R(c);N_GUARD,XP(E)::S(B)
- Tries
- Try
- R(I);P_PINP(d)
- Threat
- DUALS(2)
- Vars
- R(c);N_GUARD,XP(E)::S(B)
- P(b);::S(B)
- P(b);::B(J)
- R(c);::B(J)
- R(c);::S(B)
- S(i);::S(B)
- Refutation
- B(g);
- Try
- R(I);
- Threat
- DUALS(2)
- Vars
- S(a);XP(E)::B(J)
- S(i);XR(I)::B(J)
- P(d);XP(E)::QAB1(A)
- P(b);::QAB1(A)
- R(c);::QAB1(A)
- P(j);::B(J)
- Refutation
- S(i);
- Try
- R(I);
- Threat
- DUALS(2)
- Vars
- S(a);XP(E)::B(J)
- S(i);XR(I)::B(J)
- P(j);XR(I)::B(J)
- P(b);::QAB1(A)
- R(c);::QAB1(A)
- S(i);::QAB1(A)
- P(j);::B(J)
- Refutation
- B(g);XR(I)
- Try
- Q(A);P_PINP(d)
- Threat
- DUALS(2)
- Vars
- S(a);XP(E)::S(B)
- B(g);N_GUARD::QAR1(A),XP(d)
- P(b);::QAB(A)
- S(i);::S(B)
- P(j);::S(B)
- Refutation
- R(c);
- Try
- Q(A);P_PINB(g)
- Threat
- DUALS(2)
- Vars
- R(c);N_GUARD,XS(C)::S(B)
- P(d);OGATEB,XP(E)::R(I)
- P(f);XP(E)::QAB(A)
- R(c);::R1(F),XP(f)
- S(i);::R1(F),XP(f)
- Refutation
- S(a);XP(E)
- Try
- Actual
- R(I);P_PINB(g)
- Threat
- DUALS(2)
- Vars
- R(c);N_GUARD,XP(E)::S(B)
- S(a);XP(E)::B(J)
- P(d);OGATEB,XP(E)::QAR2(A)
- P(f);XP(E)::B(J)
- P(b);::R1(F),XP(f)
- R(c);::R1(F),XP(f)
- S(i);::R1(F),XP(f)
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