MESON Chess Problem Database
Problem Display
PID: 254955 (8/6pR/3N1Nk1/K2b1p2/p1B2p1B/5P2/QR2r3/8 w - - 0 1)
Moen, Kabe
The Problemist, 2021
#2
9 + 7
SOLUTION
- SOUND
- Sets
- 1...Re1
- 2.Rg2#
- 1...Rg2
- 2.Rxg2#
- 1...Re3
- 2.Rg2#
- 1...Re4
- 2.Rg2#
- 1...Re5
- 2.Rg2#
- 1...Re6
- 2.Rg2#
- 1...Re7
- 2.Rg2#
- 1...Re8
- 2.Rg2#
- 1...Bxf3
- 2.Bf7#
- 1...Be4
- 2.Bf7#
- 1...Bc6
- 2.Bf7#
- 1...Bb7
- 2.Bf7#
- 1...Bf7
- 2.Bxf7#
- 1...Ba8
- 2.Bf7#
- 1...Re1
- Tries
- 1.Bd3?
- threat
- 2.Bxf5#
- 1...Re4
- 2.Rg2#
- 1...Re5
- 2.Rg2#
- 1...Be4
- 2.Qf7#
- 1...Be6!
- threat
- 1.Bxd5?
- threat
- 2.Bf7#
- 1...Re5
- 2.Rg2#
- 1...Re6
- 2.Rg2#
- 1...Re7
- 2.Rg2#
- 1...gxf6!
- threat
- 1.Rxe2?
- threat
- 2.Rg2#
- 1...Bxf3
- 2.Bf7#
- 1...gxf6!
- threat
- 1.Rxg7+?
- 1...Kh6
- 2.Sxf5#
- 1...Kxg7!
- 1...Kh6
- 1.Bd3?
- Keys
- 1.Rb7!
- threat
- 2.Rbxg7#
- 1...Bxb7
- 2.Bf7#
- 1...gxf6
- 2.Rbg7#
- 1...Re7
- 2.Qg2#
- 1...Bf7
- 2.Bxf7#
- threat
- 1.Rb7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 1
- REMOVED MATES = 11
- Sets
- R(a);OGATE::R(B)
- R(a);OGATE::R(B),XR(a)
- B(d);OGATE,XP(C)::B(D)
- B(d);OGATE::B(D)
- B(d);OGATE::B(D),XB(d)
- Tries
- Try
- B(D);P_PINP(e)
- Threat
- B(D),XP(e)
- Vars
- R(a);N_SPINP(e),OGATE::R(B)
- R(a);OGATE::R(B)
- B(d);N_SPINP(e),OGATE::QAB1(A)
- Refutation
- B(d);
- Try
- B(D);XB(d)
- Threat
- B(D)
- Vars
- R(a);OGATE,P_PINB(D)::R(B)
- R(a);OGATE::R(B)
- Refutation
- P(g);XS(H)
- Try
- R(B);XR(a)
- Threat
- R(B)
- Vars
- B(d);OGATE,XP(C)::B(D)
- Refutation
- P(g);XS(H)
- Try
- R(I);CHECK,XP(g)
- Vars
- K(f);N_GUARD,P-FLIGHT::S(G),XP(e)
- Refutation
- K(f);P-FLIGHT,XR(I)
- Try
- Actual
- R(B);
- Threat
- R1(B),XP(g)
- Vars
- B(d);OGATE,XR(B)::B(D)
- P(g);XS(H)::R1(B)
- R(a);OGATE::QAR(A)
- B(d);OGATE::B(D),XB(d)
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