MESON Chess Problem Database
Problem Display
PID: 134225 (4R2K/2N2B1p/p1R4B/3p4/4b3/3k4/nQ6/n2r4 w - - 0 1)
Lewis, Robert Tony
McDowell, Michael
Prize, Harrogate, 2009
#2
7 + 8
| 56 | The Problemist | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rb1
- 2.Qd2#
- 1...Rc1
- 2.Qd2#
- 1...Re1
- 2.Qd2#
- 1...Rf1
- 2.Qd2#
- 1...Rg1
- 2.Qd2#
- 1...Rh1
- 2.Qd2#
- 1...Rd2
- 2.Qxd2#
- 1...Bh1
- 2.Re3#
- 1...Bg2
- 2.Re3#
- 1...Bf3
- 2.Re3#
- 1...Bf5
- 2.Re3#
- 1...Bg6
- 2.Re3#
- 1...d4
- 2.Bc4#
- 1...Rb1
- Tries
- 1.Bxd5?
- threat
- 2.Bc4#
- 2.Bxe4#
- 1...Bxd5
- 2.Re3#
- 1...Rd2
- 2.Bc4#
- 2.Qxd2#
- 1...Sc2
- 2.Bc4#
- 1...Rc1
- 2.Bxe4#
- 2.Qd2#
- 1...Re1
- 2.Bc4#
- 2.Qd2#
- 1...Bh1
- 2.Bc4#
- 2.Re3#
- 1...Bg2
- 2.Bc4#
- 2.Re3#
- 1...Bf3
- 2.Bc4#
- 2.Re3#
- 1...Bf5
- 2.Bc4#
- 2.Re3#
- 1...Bg6
- 2.Bc4#
- 2.Re3#
- 1...Sc3!
- threat
- 1.Bh5?
- threat
- 2.Be2#
- 1...Sc3
- 2.Qxc3#
- 1...Re1
- 2.Qd2#
- 1...Rd2
- 2.Qxd2#
- 1...Bf3
- 2.Re3#
- 1...Sc1
- 2.Qc3#
- 1...Sc2!
- threat
- 1.Rc3+?
- 1...Kd4
- 2.Be3#
- 2.Bg7#
- 1...Sxc3!
- 1...Kd4
- 1.Qe2+?
- 1...Kd4
- 2.Be3#
- 2.Bg7#
- 2.Qe3#
- 1...Kxe2!
- 1...Kd4
- 1.Bxd5?
- Keys
- 1.Se6!
- 1...Rd2
- 2.Qxd2#
- 1...Bh1
- 2.Sf4#
- 1...Bg2
- 2.Sf4#
- 1...Bf3
- 2.Sf4#
- 1...Bf5
- 2.Sf4#
- 1...Bg6
- 2.Sf4#
- 1...Sc2
- 2.Qxc2#
- 1...Rb1
- 2.Qd2#
- 1...Rc1
- 2.Qd2#
- 1...Re1
- 2.Qd2#
- 1...Rf1
- 2.Qd2#
- 1...Rg1
- 2.Qd2#
- 1...Rh1
- 2.Qd2#
- 1...Sb3
- 2.Qc2#
- 1...Sc1
- 2.Rc3#
- 1...Sc3
- 2.Rxc3#
- 1...Sb4
- 2.Rc3#
- 1...d4
- 2.Sc5#
- 1...a5
- 2.Qb5#
- 1...Rd2
- 1.Se6!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 6
- ADDED MATES = 6
- REMOVED MATES = 0
- Sets
- R(b);N_GUARD::QAR1(A)
- R(b);N_GUARD::QAR1(A),XR(b)
- B(e);OGATE::R1(F)
- P(f);OGATE::B(E)
- Tries
- Try
- B(E);XP(f)
- Threat
- DUALS(2)
- Vars
- B(e);OGATE,XB(E)::R1(F)
- S(a);::B(E)
- Refutation
- S(c);
- Try
- B(E);
- Threat
- B(E)
- Vars
- S(c);N_GUARD::QAR1(A),XS(c)
- R(b);N_GUARD::QAR1(A)
- R(b);N_GUARD::QAR1(A),XR(b)
- B(e);OGATE::R1(F)
- S(c);N_GUARD::QAR1(A)
- Refutation
- S(a);
- Try
- R(B);CHECK
- Refutation
- S(c);XR(B)
- Try
- Q(A);CHECK
- Refutation
- K(d);P_SPINB(e),S_FLIGHT,XQ(A)
- Try
- Actual
- S(D);
- Vars
- R(b);N_GUARD::QAR1(A),XR(b)
- B(e);::S(D)
- S(a);N_GUARD::QAB1(A),XS(a)
- R(b);N_GUARD::QAR1(A)
- S(a);N_GUARD::QAB1(A)
- S(c);N_GUARD::R1(B)
- S(c);N_GUARD::R1(B),XS(c)
- P(f);::S(D)
- P(g);N_GUARD::QAB(A)
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